The firm has an excellent customer service department.

该公司有一个非常出色的客户服务部。

He is the head of the service department.

他是售后服务部的头。

I work in the Customer Service Department.

我在客户服务部工作。

Room service department. How can I help you?

客房服务部，您有什么要求吗? ?。

Customer Service Department. May I help you?

顾客服务部，有什么事吗？