How to write a complaint letter IELTS General Writing Task 1 (a letter) Recently you visited a store and didn’t like the customer service there Write a complaint letter to the store manager and say: what the issue was, why the staff wasn't helpful, and what could be done about it. How to Write Complaint Letter About Bad Customer Service To whom it may concern, I am writing to inform you of my disappointment regarding the customer service I received last week while visiting your flagship store in Melbourne. One particular employee made the visit a somewhat negative experience. The reason for my visit was to return a camera which I had recently bought there because the lens did not appear to be functioning correctly; the auto-zoom function seemed to be malfunctioning. After explaining the problem to the customer service representative, I requested a replacement lens. Unfortunately, the employee informed me that this wo