Moderator, Omni, Omni/PR, Omni/Games, FlyerTalk Posting Legend
Join Date: Oct 2004
Location: Between DCA and IAD
Programs: UA 1K MM; Hilton Diamond
Posts: 67,129
I believe the first time he uses it, UA will issue any residual value as a TCV (e.g. he will only pay the change fee once).
The cancelled ticket can only be used for the person it was originally booked for, but the residual TCV can I believe be used for anyone.