The first flight ticket failed. Why is there a plane ticket?

Price changes and operational process issues.

1, the price of the purchased air ticket has changed, and the ticket cannot be issued. It is recommended to check the reservation again to avoid delay and the price will become more expensive. 2. There are problems during the operation, and there are problems with the package and payment during the operation. It is recommended to buy again as soon as possible. If the ticket fails, you can also contact customer service.