Originally Posted by
eponymous_coward
Call and ask. "I don't want to accept the changes to my schedule and I propose an alternate" may work. Yes, they should be able to make changes without trashing the ticket, I've done this, HUACA if they say they can't.
Attempt #1: Can't make such a change without cancelling and starting afresh. Time for HUACA, fingers crossed!
Attempt #2: Couldn't do it without cancelling
Attempt #3: Could do it, but TXL isn't a *A hub