The departure date can be revised if accord with the flight schedule restrict listed above.
The return ticket is booked during the detention time.
Free flight and departure date revisement is permitted
2.客票完全未使用：收取退票費CNY300，余額退還旅客。
Ticket untapped, CNY300 is charged as handling fee and return remain to the passanger.
3.客票部分使用:壹經使用不得退票
Ticket partially applied, ticket return is forbiden.
4.起飛前改期：200
Change departure date before takeoff,CNY200 will be charged.