I have a querry.....My cousin has a cnf ticket of bdts-nzm GR...now she is cancelling the trip...the ticket is for 21/6...now my dad wish to travel on the same ticket can i do something to change the name on the ticket..is this possible b'coz current W/L is 300...it wont cnf...she has a cnf berth and now she wont be travelling due to some problem can my dad travel on the same...????