Dear Owner,

I am writing this to express my disappointment with my recent dining experience at your restaurant. On the evening of March 30th, I visited your establishment with a group of three friends. Unfortunately, I must say that we were thoroughly dissatisfied with the quality of food and service we received.

Firstly, the quality of the food we were served was poor. The dishes lacked flavor and variety. We were disappointed to find that the food did not meet our expectations, especially considering the high prices on the menu.

Additionally, we were extremely disappointed with the service we received from your staff. We found them to be unaccommodating to our needs. It was evident that they were not interested in providing us with a pleasant dining experience. Moreover, I overheard one of the waiters calling one of my friends slurs as he was walking away from our table.

Furthermore, the waiting time for our food was much too long. We waited over an hour for our dishes to arrive, which was very frustrating and made us lose our appetite.

As a regular patron of your establishment, I am disappointed to have had such a poor experience. I am writing this letter to express my dissatisfaction and to provide you with some feedback on how you can improve your services.

Firstly, I suggest that you improve the quality of the food you serve. It is imperative that the dishes you offer are prepared to a high standard and meet customer expectations. Secondly, I recommend that you improve the attitude and service of your staff. They should be attentive and friendly towards customers. Lastly, I suggest that you work on reducing the waiting time for food to arrive. Customers are more likely to return if they receive prompt service.

I hope that you take my feedback into consideration and work towards improving your restaurant. I look forward to visiting again in the future and experiencing a better dining experience.

Yours sincerely,

XYZ