Nested If #2

#include< stdio.h>
#include< conio.h>
#include< iostream.h>
main()
{
char kp[3],kg,nc[20],np[20],tujuan[20],grup[30],lagi;
long int harga,ppn,tobay,ubar,ukem;
awal:
clrscr();
cout<<"******BIRO PERJALANAN WISATA******"<< endl;
cout<<"=================================="<< endl;
cout<<"\tNama Petugas : ";cin>>np;
cout<<"=================================="<< endl;
cout<<"\tNama Costumer : ";cin>>nc;

cout<<"Kode Paket Wisata [BL (Bali) /JG (Jogjakarta) /LB (Lombok)] : ";cin>>kp;
cout<<"Kode Group [F (Family) /P (Person) /C (Company)] : ";cin>>kg;
cout<<"=================================="<< endl;

if(!strcmp(kp,"BL")||!strcmp(kp,"bl"))
{
strcpy(tujuan,"Bali");
if(kg=='F'||kg=='f')
{
strcpy(grup,"Family");
harga=3500000;
}

else if(kg=='P'||kg=='p')
{
strcpy(grup,"Person");
harga=1500000;
}
else if(kg=='C'||kg=='c')
{
strcpy(grup,"Company");
harga=5500000;
}
}

else if (!strcmp(kp,"JG")||!strcmp(kp,"jg"))
{
strcpy(tujuan,"Jogyakarta");
if(kg=='F'||kg=='f')
{
strcpy(grup,"Family");
harga=2500000;
}
else if(kg=='P'||kg=='p')
{
harga=1000000;
strcpy(grup,"Person");
}
if(kg=='C'||kg=='c')
{
harga=4000000;
strcpy(grup,"company");
}
}

else if(!strcmp(kp,"LB")||!strcmp(kp,"lb"))
{
strcpy(tujuan,"Lombok");
if(kg=='F'||kg=='f')
{
strcpy(grup,"Family");
harga=2500000;
}
else if(kg=='P'||kg=='p')
{
strcpy(grup,"person");
harga=1750000;
}
else if(kg=='C'||kg=='c')
{
harga=6000000;
strcpy(grup,"company");
}
}

clrscr();
cout<<"Tujuan wisata : "<< tujuan<< endl;
cout<<"Grup : "<< grup<< endl;
cout<<"Harga : "<< harga<< endl;
cout<<"=================================="<< endl;

ppn=harga*0.1;
tobay=harga+ppn;

cout<<"PPN : "<< ppn<< endl;
cout<<"Total Bayar : "<< tobay<< endl;
cout<<"Uang Bayar : ";cin>>ubar;

cout<<"=================================="<< endl;
ukem=ubar-tobay;

cout<<"Uang Kembali : "<< ukem<< endl;
cout<<"Ingin Mengulangi Proses lagi: ";cin>>lagi;

if(lagi=='Y'||lagi=='y')

goto awal;

getch();
}