You want to complain about the service you received in the hotel you stayed in while attending a recent meeting. write a letter to the person who organised the meeting. In your letter describe the meeting explain the problems with the service suggest what the meeting organiser should do

Dear Sir, I am writing to complain about the problems I faced at your pre-booked hotel while attending a meeting that was organized by you. The meeting was about the recent development in our new product with our old international client. The agenda of the meeting was fulfilled, and we will get a new order […]