2. Then in the search results, select China Eastern Airlines official website, and click Enter official website.
3. Select "Seat Reservation" in "Self-service", and click to enter the service interface for seat reservation.
4. Enter the passenger's ID number/passport number/ticket number and passenger's name in the interface according to the prompt box, and click "Choose seat now". If the system proofreading information is correct, you can enter the seat selection interface.