Originally Posted by
vsgvarun
In order to cancel a reservation, you will have to provide certain information (pax name, flight details, parent's name, DOB) right?
Nope. All you need is the passenger's name and record locator. That's it. Yes, really.
Keep in mind that the entire airline industry still operates by sending teletype messages around. (They don't use actual paper teletypes these days, at least.)