Subject + 用餐
The verb 用餐 (yòngcān) means "to have a meal" or "to dine." It is a polite and somewhat formal way to say "eat," commonly used in written Chinese, news reports, and service contexts such as restaurants and hotels.
请问您几位用餐?
Qǐngwèn nín jǐ wèi yòngcān?
Excuse me, how many people will be dining?
飞机上的乘客正在用餐,请稍等一会儿。
Fēijī shàng de chéngkè zhèngzài yòngcān, qǐng shāo děng yīhuìr.
The passengers on the plane are having their meal; please wait a moment.
这家酒店的客人可以在花园里用餐。
Zhè jiā jiǔdiàn de kèrén kěyǐ zài huāyuán lǐ yòngcān.
Guests at this hotel can dine in the garden.