投诉服务态度差的英文投诉信

他们对你说了什么就写什么

To whom it may consider, I'm writing this letter to complain I had a really bad experience in your company. As a customer, I choose your company in (日期百)，I felt that I haven't been treated well, your staff being rough to be when he/she was providing service to me. His/her number is xxx. (具体度事问情具答体说这回里答) I'm waiting for a respons. My contact detail is xxx. An anger customer