pesanan paket lebaran

[qball006_error]

Code:

#include <iostream.h>
#include <conio.h>
#include <stdio.h>

void main()
{
    char nm[20],plh,kmbl;
    int h_paket,total_harga;
    
    while(kmbl='y')
    {
    cout<<"paket lebaran"<<endl;
    cout<<"siapa nama anda:";
    cin>>nm;
    cout<<"paket pa yg "<<nm<<" pilih[Anak/Dewasa]:";
    cin>>plh;
    if(plh=='A'||plh=='a')
    {
        h_paket=500;
        total_harga=500*330;
    }
    else
    {    
        h_paket =1000;
        total_harga =1000*330;

    }
    cout<<"nama anda :"<<nm<<endl;
    cout<<"paket yg "<<nm<<" pilih:"<<plh<<endl;
    cout<<"harga paket:Rp."<<h_paket<<endl;
    cout<<"total harga:Rp."<<total_harga<<endl;
    cout<<"\t\tby tulloh"<<endl;
    cout<<"apakah "<<nm<<"ingin memesan paket lg[t/y]:";
    cin>>kmbl;
    
getch();
    }
}

kasih saran ya gan
malum masih newbie...........