Originally Posted by
boboqui
Is this something new? The reason I was surprised is that I've had conflicting reservations on hold in the past, mostly international though.
It has always been a COC violation. It is simply upgraded software which now catches those breaking the rules.
I am less than worried about notification and the like. Few carriers do it. If you break the rules, you can't come whining back that you got yourself caught and inconvenienced.