Originally Posted by giorginho

What kind of gets my attention other than that is, that you said you got the very last seat in business class. So if there was just 1 seat left, you couldn't have both been upgraded, which in turn means, that the assumption that both tickets were re-issued to a botched upgrade can't be correct for at least one of your tickets. (note that if you were both on the same booking, then you'd either both get upgraded or none of you would, so, again, if only 1 seat was left, then no upgrades should have been processed, which would mean that no tickets would nee to be re-issued either)