Standard Bank Account mechanism

// Cpp program to introduce the Standard Bank Account coding mechanism
// created on June, 2016
// Author: fueanta

#include <iostream>
using namespace std;

class Account {
    string acc_name;
    string acc_no;
    double t_balance;
public:
    Account() {
        this->acc_name= "";
        this->acc_no= "";
        this->t_balance= 0.00;
    }
    Account(string,string,double);
    double get_balance() {
        return t_balance;
    }
    void Withdraw(double);
    void Deposit(double);

    void Transfer(Account& a, double amount) {
        if (amount < 0)
            amount *= -1;
        if (amount <= t_balance) {
            t_balance -= amount;
            a.t_balance += amount;
            cout << "Tk " << amount << " have been transferred from your account to " << a.acc_name << "'s account." << endl;
        }
        else
            cout << "You do not have sufficient balance." << endl;
        }
        show() {
            cout << "Account Name: " << acc_name << endl;
            cout << "Account Number: " << acc_no << endl;
            cout << "Current Balance: " << t_balance << endl;
        }
        set_info(string name,string no,double balance) {
            acc_name = name;
            acc_no = no;
            t_balance = balance;
            cout << "An account is registered in " << acc_name << "'s name." << endl;
        }
};

Account::Account(string name,string no,double balance) {
    acc_name = name;
    acc_no = no;
    this->t_balance = balance;
}
void Account::Withdraw(double amount) {
    if (amount < 0)
        amount *= -1;
    if (amount <= t_balance) {
        t_balance -= amount;
        cout << "Tk " << amount << " have been withdrawn from your account." << endl;
    }
    else
        cout << "You do not have sufficient balance." << endl;
}
void Account::Deposit(double amount) {
    if (amount< 0)
        amount *= -1;
    t_balance += amount;
    cout << "Tk " << amount << " have been added to your account." << endl;
}

int main(void) {
    Account a1,a2("Taqui","werty3456",100);
    a1.show(); a2.show();
    a1.set_info("Nahian","dfghjk4567",a1.get_balance());
    a2.Deposit(100); a2.Transfer(a1,-50);
    a1.show(); a2.show();
    return 0;
}