Przykładowe odpowiedzi:

1. I am writing to express my dissatisfaction with the inappropriate service I received in your restaurant last night.

2. First, on our arrival, it occured that my table, which I had booked 10 days earlier, was double-booked.

3. To make matters worse, we had to wait for the appetizer for more than half an hour.

4. In this situation, I expect a financial compensation.