如不按退票办理，持票人即丧失向出票人和背书人之追索权。

If not handled according to a refund, ticket holders that the loss of the drawer and the endorser of recourse.

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因此，旅客如果错过了某一航段，一定要及时与航空公司客服联系，办理改签或退票，重新安排行程。

Therefore, if passengers missed a flight, must be timely contact with the airline customer service, handle the change or refund, re arrangement.

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旅客误机后，须按承运人有关规定，办理改乘后续航班，改变承运人或退票。

The passenger could change to a later flight or change carrier or refund ticket in accordance with the carrier's regulations.

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