booking fee

基本解释

and, in some cases, imposed a booking fee on rewards flights.
而且，还有一些情况是，航空公司还在奖励的航班上强加了预订费。
Bank of China has been instructed to pay the fare and the booking fee, and we would ask you to submit your account directly to them.
我们已委托中国银行支付机票费和预约费，请你把账单直接交给他们。请早日确认，我们不胜感激。
Due to the “No Booking Fee” for airline tickets policy adopted recently by all OTAs, hospitality remained the only serious source of revenue for Expedia and the OTAs.
由于最近各大在线旅行社都取消了机票预订手续费，因此酒店业是Expedia等其他在线旅行社的主要收入来源。

There will be the obvious booking fee revenue stream, of course, but in the process of offering consumers massively more information to guide travel decisions, Routehappy will also be building a completely unparalleled collection of consumer preference data.
FORBES: Empowerment and the Consumer Web: Why We Love Routehappy