Q.18 我想要尽早确定出行计划，什么时候可以定机票酒店呢？

我们强烈建议申请人在收到护照及新的签证之前，不要落实出行计划。

Q.18 I want to book my travel as far in advance as possible. When should I book my travel tickets for?

Applicants are strongly advised not to book their travel until after they receive their passport and new visa.

来源：2017-04-17美国驻华大使馆美国驻华大使馆