1. 误机：(
3) 误机(NO SHOW)收费:旅客误机(即定妥座位之后,未去办理乘机手续或证件不符合规定而未能乘机),则须收取误机费CNY200人/次.

2. 订房不到：15. Package包价服务 | 16. No-show订房不到 | 17. Message留言

3. 失约;不来：89 Take a nose dive直线下降 | 90 No-show失约;不来 | 91 Put up with something忍受

4. 误机者：stand-by 候补旅客 | no-show 误机者 | unaccompanied passenger 无人陪伴儿童

1. 未能如期出现的人;爽约者
If someone who is expected to go somewhere fails to go there, you can say that they are a no-show .

e.g. But Ivanisevic's no-show will be a blow for Wimbledon chiefs.
但伊万尼塞维奇不能参赛对温布尔登主办方将是一个重大打击。
e.g. John Henry Williams was a no-show at last week's game in Milwaukee.
上周在密尔沃基进行的比赛约翰·亨利·威廉斯没有出场。

noun

1. someone who shirks duty

Synonym: nonattendertruant

2. a guest who fails to notify a hotel or restaurant when canceling a reservation