How can I put the personal information such as name, phone number on the program below?

#include <stdio.h>
#include <stdlib.h>
#include<string.h>
#pragma warning(disable:4996)

int main(void)
{
    //Package category array
    char category[] = { 'A', 'B', 'C', 'D' };
    //Price array
    float price[] = { 24.50, 26.00, 27.50, 29.00 };
    //Quantiy array
    int quantity[] = { 0, 0, 0, 0 };
    int count = 1;
    int qtyA = 0, qtyB = 0, qtyC = 0, qtyD = 0,n[20];
    float total = 0.0, discount = 0.0, delivery = 0.0, net = 0.0;
    char ch = 'A', choice = 'Y';

    printf("\n<MENU PRICES OF VEGETABLE>");
    printf("\n===============================================================================");
    printf("\n MR.KOK VEGETABLE ORDERING SYSTEM");
    printf("\n===============================================================================");

    //Continue taking customer input till choice is not 'N' or 'n'
    while (choice != 'n' && choice != 'N') {
        printf("\nCustomer no. : %d", count++);
        //Continue taking the package and quantity input till X
        while (ch != 'X') {
            printf("\n\nPACKAGE A,B,C,D (X = EXIT) : ");
            scanf("%c", &ch);
            getchar();
            //Increment respective quantity of each category
            if (ch == 'A') {
                printf("\nQuantity : ");
                scanf("%d", &qtyA);
                getchar();
                quantity[0] += qtyA;
            }
            if (ch == 'B') {
                printf("\nQuantity : ");
                scanf("%d", &qtyB);
                getchar();
                quantity[1] += qtyB;
            }
            if (ch == 'C') {
                printf("\nQuantity : ");
                scanf("%d", &qtyC);
                getchar();
                quantity[2] += qtyC;
            }
            if (ch == 'D') {
                printf("\nQuantity : ");
                scanf("%d", &qtyD);
                getchar();
                quantity[3] += qtyD;
            }
        }

        //Print the details of package and add to total
        printf("\n=======================================================================");
        if (qtyA != 0) {
            printf("\nPACKAGE A : %d @ RM 24.50 = RM %.2f", qtyA, qtyA * price[0]);
            total += qtyA * price[0];
        }
        if (qtyB != 0) {
            printf("\nPACKAGE B : %d @ RM 26.00 = RM %.2f", qtyB, qtyB * price[1]);
            total += qtyB * price[1];
        }
        if (qtyC != 0) {
            printf("\nPACKAGE C : %d @ RM 27.50 = RM %.2f", qtyC, qtyC * price[2]);
            total += qtyC * price[2];
        }
        if (qtyD != 0) {
            printf("\nPACKAGE D : %d @ RM 29.00 = RM %.2f", qtyD, qtyD * price[3]);
            total += qtyD * price[3];
        }
        printf("\n=======================================================================\n");

        //Check the total value of purchase and update the delivery and discount
        if (total > 80) {
            printf("\nPACKAGE CHARGES : RM %.2f", total);
            if (total > 100) {
                delivery = 0.0;
                printf("\nDelivery fees : RM%.2f", delivery);
                discount = 0.15 * total;
                printf("\nDiscount : RM%.2f", discount);
            }
            //Calculate the net amount to be paid by Customer
            net = total + delivery - discount;
        }

        else {
            printf("\nPACKAGE CHARGES : RM %f", total);
            delivery = 5.0;
            printf("\nDelivery fees : RM%.2f", delivery);
            discount = 0.0 * total;
            printf("\nDiscount : RM%.2f", discount);
            net = total + delivery - discount;
        }

        //print the total amount
        printf("\nTotal to pay : RM %.2f", net);
        ch = 'A'; qtyA = 0; qtyB = 0; qtyC = 0;
        printf("\n\nTHANK YOU, HAVE A NICE DAY!");
        qtyD = 0; total = 0.0;
        //Ask if next Customer is available
        printf("\n\nNext Customer ? (Y/N) : ");
        scanf("%c", &choice);
        getchar();
    }

    //Print the daily sales report
    printf("\n=======================================================================");
    printf("\n\n>>>>>>>>>>>>>>>>>>>>>>>>DAILY SALES REPORT<<<<<<<<<<<<<<<<<<<<<<<<<<<\n");
    printf("\n=======================================================================");
    printf("\nPACKAGE\tQUANTITY SOLD\tSALES AMOUNT\n");
    printf("\n=======================================================================\n");
    int i = 0;
    while (i < 4) {
        printf("%c\t%d\t\t%.2f\n", category[i], quantity[i], quantity[i] * price[i]);
        i++;
    }
    printf("\n=======================================================================");


    return 0;
}