int /* 0 is 7pm, 1 is 9pm */ tables[3][2] = {{0,0},{0,0},{0,0}}, /* 1 = half, 2 = full, 3 = B&B */ board[4] = {1, 1, 1 ,1};
char *tablenames[3] = {"Endor","Naboo","Tatooine"}, *dinnertimes[2] = {"7pm", "9pm"};

void dinnerbooking()
{
    int ID, i, x, timechoice;
    char tablechoice[20];
    do{
        printf("What is your Booking ID?: ");
        fflush(stdin);
        scanf("%d",&ID);
    } while(!(ID >= 0 && ID <= 3));
    if (board[ID] == 1 || board[ID] == 2){
        printf("Current tables available:\n");
        for (i=0;i<3;i++){
            for (x=0;x<2;x++){
                if (tables[i][x] == 0){
                    printf("%s at %s\n",tablenames[i], dinnertimes[x]);
                }
            }
        }
        do {
            char input[100];
            printf("Enter the table and time you would like to book: ");
            fflush(stdin);
            gets(input);
            sscanf(input,"%s %d",tablechoice,&timechoice);
        } while (!(!strcmp(tablechoice,tablenames[0]) || !strcmp(tablechoice,tablenames[1]) || !strcmp(tablechoice,tablenames[2])) && (timechoice != 7 || timechoice != 9));

        switch(tablechoice[0]){
            case 'E':
                tables[0][(timechoice == 9)] = 1;
                break;
            case 'N':
                tables[1][(timechoice == 9)] = 1;
                break;
            case 'T':
                tables[2][(timechoice == 9)] = 1;
                break;
        }
        printf("Your seat is booked :)");
    }
    else {
        printf("You can't book a dinner.");
        return;
    }
    return;
}