amendment!

Its sth like tis.....
Before=> [__________________SCREEN________________]

A1 A2 A3 A4 A5 A6 A7

B1 B2 B3 before B5 B6
__________________________________________________________
once you select the seat it shows...
After=> [__________________SCREEN_________________]

A1 A2 A3 A4 A5 A6 A7

B1 B2 X before B5 B6

a 'X' at the selected seat.

Can anyone please help!
Tis is under dev c++.

You're still not making it clear what you want - do you want something to be output on the screen, or replace a value in an array? Or the user to input something? It's all open, so I'm afraid we can't help you unless you make your specifications clear, otherwise we're just guessing.