2 sentences

1. 乘务员提醒乘客系好安全带。

   chéng​wù​yuán tí​xǐng chéng​kè jì hǎo ān​quán​dài.

   The crew member reminded the passengers to fasten their seatbelts.

   Source: Dong Chinese Dictionary

2. 这套蓝色的制服是航空公司专门为乘务员设计的。

   zhèi tào lán​sè de zhì​fú shì háng​kōng​gōng​sī zhuān​mén wèi chéng​wù​yuán shè​jì de.

   This blue uniform was specifically designed by the airline for its flight attendants.

   Source: Dong Chinese Dictionary