3 sentences

1. 我没有叫客房服务。

   wǒ méi​yǒu jiào kè​fáng fú​wù.

   I didn't order room service.

   Source: OpenSubtitles

2. ‎有客房服务吗？

   ‎ yǒu kè​fáng fú​wù ma?

   Is there room service?

   Source: OpenSubtitles

3. 这家酒店的客房都已经预订满了。

   zhè jiā jiǔ​diàn de kè​fáng dōu yǐ​jīng yù​dìng mǎn le.

   The guest rooms in this hotel are all fully booked.

   Source: Dong Chinese Dictionary