Originally Posted by
corporate-wage-slave
Because the sectors vanished from MMB (if I've understood correctly) my suspicion is that the ticket was unticketed after the UuA amendment and then went AWOL after the schedule change and before ticketing completed.
I think the explanation is much simpler (and less worrisome for the OP
). There is probably no '
U' class on the new flights so the system cannot auto re-book. An agent can rebook into the lowest class in the cabin while the
computer is looking for flights with the same booking classes.