What does it mean to cash back 50 for flying pig tickets?

The flying pig ticket can be cashed back to 50, that is, customers can cash back to 50 yuan. Some profit plans launched by airlines encourage customers to buy the airline's flights and promote consumption by allowing some cash to be returned to customers. Flying Pig Travel, a comprehensive travel service platform under Alibaba Group, aims to make there is no difficult travel business in the world. Flying pig travel platform provides domestic and international transportation, hotel accommodation, scenic spot tickets, destination play and other products and tourism peripheral services.