Originally Posted by jediwho

I made a booking using BA Avios points, utilizing my wife's Chase companion pass, so the reservation is under her name with me as the accompanying passenger. We pool our points, which meant my BA Avios number was automatically selected at the time of booking. I opted for this initially but later contacted customer service to switch my frequent flyer program to AA because of my OW Emerald status through AA. My question is whether, as the accompanying passenger on an Avios booking, I can still select seats.