I am trying rebook my flight but I cannot find any at the price/time I found before. Airline seating availability/prices are updated regularly and within any span of time it is possible for a seating class to become sold out or the price change. Was this article helpful? Can't find what you're looking for? Inquiry Form Related articles Can I change my flight? I am trying to book a flight I saw earlier but I can no longer find it. Can I make a reservation by phone? How do I cancel my flight reservation? How do I find my airline reservation number on e-Ticket receipt?