Full refund skills for flying pig tickets

Keep the certificate and apply for an involuntary refund.

1. Keep the proof: If you want to keep the screenshot or other proof content and tell me that the application is not guaranteed to pass, you can directly ask Zhu Fei for a full refund.

2. Involuntary refund application: Refund is required due to flight delay, cancellation and other reasons. You can apply for an involuntary refund or a full refund.