Originally Posted by uncertaintraveler

You are flying first class on Airline A, which has very spacious and comfortable seats. Your next flight, however, is in coach with Airline B, which offers rather cramped accommodation. Given the disparity that exists between Airline A and Airline B with regard to the amenities that are provided, would it be acceptable to take the seat that you used on Airline A if you would like to use it on your next flight with Airline B?