Linked List Class

#include <iostream>
#include <iomanip>
#include <fstream>  //for creating text file
using namespace std;

class linklist{
private:
  struct node{
    Reservation info;
    node *link;
  }*head;

public:
  linklist(){
    head=NULL;
  }

  void InsNewNodeByBookNo(int bNo, string na, int phNo, int pxNo, int d, int mon, int y, int t, int da){
    node*newNode = new node;
    node*p,*q = head;
    newNode -> info.setBookingNo(bNo);
    newNode -> info.setName(na);
    newNode -> info.setPhoneNo(phNo);
    newNode -> info.setPaxNo(pxNo);
    newNode -> info.setDay(d);
    newNode -> info.setMonth(mon);
    newNode -> info.setYear(y);
    newNode -> info.setTime(t);
    newNode -> info.setDate(da);

    //If no records
    if (head == NULL){
      head = newNode;
      return;
    }

    //Insert at the start of list
    if (head -> info.getBookingNo() > newNode -> info.getBookingNo()){
      newNode -> link = head;
      head = newNode;
      return;
    }

    while(q->info.getBookingNo() < newNode -> info.getBookingNo() && q->link != NULL){
      p = q;
      q = q->link;
    }
    //Insert at the end of the list
    if(q == NULL){
      q = newNode;
      newNode-> link = NULL;
      return;
    //Insert in the middle of the list
    }else{
      p = q;
      q = q->link;
      p->link = newNode;
      newNode-> link = q;
      return;
    }
  }

  void deleteNode(int bNo){
    node *current;
    current = head;
    while (current != NULL){
      if(bNo == current->info.getBookingNo()){
        if(current == head){
          node*temp = head;
          head = head -> link;
          delete temp;

        }else if(current->link == NULL){
          node*p, *q = head;
          while(q -> link != NULL){
            p = q;
            q = q -> link;
          }
          p->link = NULL;
          delete q;

        }else{
          node*p, *q = head;
          while(q -> info.getBookingNo() != bNo){
            p = q;
            q = q -> link;
          }
          p -> link = q ->link;
          delete q;
        }
      }
      current = current->link;
    }
    total--;
  }

  void PrintList(){
    node *current;
    current = head;
    cout<<setfill(' ')<<setw(5)<<"| No. "
    <<left<<setw(30)<<"Name"
    <<setw(5)<<"Phone No."
    <<right<<setw(16)<<"Pax No."
    <<setw(10)<<"Date"
    <<setw(16)<<"Time |"<<endl
    <<"|"<<right<<setfill('=')<<setw(86)<<"|"<<endl;

    while (current != NULL){
      cout<<"| "<<setfill(' ')<<current->info.getBookingNo()<<"   "
      <<left<<setw(30)<< current->info.getName()
      <<right<<setw(10)<<setfill('0')<< current->info.getPhoneNo()
      <<setw(12)<<setfill(' ')<< current->info.getPaxNo()<<setw(6)<<setfill(' ')<<" "
      <<setw(2)<<setfill('0')<< current->info.getDay() <<"/"<<setw(2)<<setfill('0')<< current->info.getMonth() <<"/"<<setw(4)<<setfill('0')<< current->info.getYear()<<setw(7)<<setfill(' ')<<" "
      <<setw(4)<<setfill('0')<< current->info.getTime() <<" |"<<endl;
      current = current->link;
    }
    cout<<endl;
  }

  void PrintBookingNoRecords(int bNo){
    node *current;
    current = head;
    cout<<setfill(' ')<<setw(5)<<"| No. "
    <<left<<setw(30)<<"Name"
    <<setw(5)<<"Phone No."
    <<right<<setw(16)<<"Pax No."
    <<setw(10)<<"Date"
    <<setw(16)<<"Time |"<<endl
    <<"|"<<right<<setfill('=')<<setw(86)<<"|"<<endl;

    while (current != NULL){
      //If there is any reservation with the same name
      if(bNo == current->info.getBookingNo()){
        cout<<"| "<<setfill(' ')<<current->info.getBookingNo()<<"   "
        <<left<<setw(30)<< current->info.getName()
        <<right<<setw(10)<<setfill('0')<< current->info.getPhoneNo()
        <<setw(12)<<setfill(' ')<< current->info.getPaxNo()<<setw(6)<<setfill(' ')<<" "
        <<setw(2)<<setfill('0')<< current->info.getDay() <<"/"<<setw(2)<<setfill('0')<< current->info.getMonth() <<"/"<<setw(4)<<setfill('0')<< current->info.getYear()<<setw(7)<<setfill(' ')<<" "
        <<setw(4)<<setfill('0')<< current->info.getTime() <<" |"<<endl;
      }
      current = current->link;
    }
    cout<<endl;
  }

  void PrintNameRecords(string name){
    node *current;
    current = head;
    cout<<setfill(' ')<<setw(5)<<"| No. "
    <<left<<setw(30)<<"Name"
    <<setw(5)<<"Phone No."
    <<right<<setw(16)<<"Pax No."
    <<setw(10)<<"Date"
    <<setw(16)<<"Time |"<<endl
    <<"|"<<right<<setfill('=')<<setw(86)<<"|"<<endl;

    while (current != NULL){
      //If there is any reservation with the same name
      if(name == current->info.getName()){
        cout<<"| "<<setfill(' ')<<current->info.getBookingNo()<<"   "
        <<left<<setw(30)<< current->info.getName()
        <<right<<setw(10)<<setfill('0')<< current->info.getPhoneNo()
        <<setw(12)<<setfill(' ')<< current->info.getPaxNo()<<setw(6)<<setfill(' ')<<" "
        <<setw(2)<<setfill('0')<< current->info.getDay() <<"/"<<setw(2)<<setfill('0')<< current->info.getMonth() <<"/"<<setw(4)<<setfill('0')<< current->info.getYear()<<setw(7)<<setfill(' ')<<" "
        <<setw(4)<<setfill('0')<< current->info.getTime() <<" |"<<endl;
      }
      current = current->link;
    }
    cout<<endl;
  }

  void PrintDateRecords(int date){
    node *current;
    current = head;
    cout<<setfill(' ')<<setw(5)<<"| No. "
    <<left<<setw(30)<<"Name"
    <<setw(5)<<"Phone No."
    <<right<<setw(16)<<"Pax No."
    <<setw(10)<<"Date"
    <<setw(16)<<"Time |"<<endl
    <<"|"<<right<<setfill('=')<<setw(86)<<"|"<<endl;

    while (current != NULL){
      //If there is any reservation with the same date
      if(date == current->info.getDate()){
        cout<<"| "<<setfill(' ')<<current->info.getBookingNo()<<"   "
        <<left<<setw(30)<< current->info.getName()
        <<right<<setw(10)<<setfill('0')<< current->info.getPhoneNo()
        <<setw(12)<<setfill(' ')<< current->info.getPaxNo()<<setw(6)<<setfill(' ')<<" "
        <<setw(2)<<setfill('0')<< current->info.getDay() <<"/"<<setw(2)<<setfill('0')<< current->info.getMonth() <<"/"<<setw(4)<<setfill('0')<< current->info.getYear()<<setw(7)<<setfill(' ')<<" "
        <<setw(4)<<setfill('0')<< current->info.getTime() <<" |"<<endl;
      }
      current = current->link;
    }
    cout<<endl;
  }

  void PrintListTextFile(){
    string fileName;
    cout << "---------------=CREATE TEXT FILE=---------------" << endl;
    //Create file with the file name user entered
    cout << "Enter file name: ";
    cin >> fileName;
    cout << "Your .txt file can be found in the same folder where your .cpp file is saved." << endl;
    fileName = fileName + ".txt";

    //output to .txt file
    ofstream file(fileName.c_str());

    if (file.is_open()) {
      //output all the reservation records
      node *current;
      current = head;
      file<<setfill(' ')<<setw(5)<<"| No. "
      <<left<<setw(30)<<"Name"
      <<setw(5)<<"Phone No."
      <<right<<setw(16)<<"Pax No."
      <<setw(10)<<"Date"
      <<setw(16)<<"Time |"<<endl
      <<"|"<<right<<setfill('=')<<setw(86)<<"|"<<endl;

      while (current != NULL){
        file<<"| "<<setfill(' ')<<current->info.getBookingNo()<<"   "
        <<left<<setw(30)<< current->info.getName()
        <<right<<setw(10)<<setfill('0')<< current->info.getPhoneNo()
        <<setw(12)<<setfill(' ')<< current->info.getPaxNo()<<setw(6)<<setfill(' ')<<" "
        <<setw(2)<<setfill('0')<< current->info.getDay() <<"/"<<setw(2)<<setfill('0')<< current->info.getMonth() <<"/"<<setw(4)<<setfill('0')<< current->info.getYear()<<setw(7)<<setfill(' ')<<" "
        <<setw(4)<<setfill('0')<< current->info.getTime() <<" |"<<endl;
        current = current->link;
      }
      file.close(); //close file
    }
  }

  bool checker(int bNo){
    node *current;
    current = head;
    while(current != NULL){
      if(bNo == current->info.getBookingNo()){
        return true;
      }
      current = current->link;
    }
    return false;
  }
};