How do I upgrade my seat? Seating requests and upgrades are not handled by DeNA TRAVEL and the flight operator should be contacted directly. Was this article helpful? Can't find what you're looking for? Inquiry Form Related articles How do I find my airline reservation number? How to see my booking on Tiger Air website What do I need to check in for my flight? What documents do I need to pass the airport security? What should I do if I miss my flight?