Originally Posted by
Simon
What they come back to is that P space is no longer available. I am, of course, holding the last P space seat. I don't want to just walk away from the flight in YUL (in case their system identifies me as trying to pull a hidden city thing), but I *tried*, their agents are just generally incompetent... as I said "fine, tell me what the up-fare is". "It's not possible to have a business and economy flight on the same booking".
P space is irrelevant. It's also untrue that you can't combine Y and J on the same booking - as you've pointed out, you can book exactly the combination of flights you're trying to change to.