Dear Yves E,

We appreciate your feedback, however, we would like to have more information about your stay at our hotel and more details about the requested service. You refer to a restaurant in the city center, and mention that you were served canned vegetables, however, we must ensure you, if you really refer to the restaurant inside our hotel, that our vegetables are fresh and purchased locally.
We regret that this is your evaluation of our service, but we would like you to assure that the establishment you are evaluating is really our hotel and the service provided at our restaurant.
Please consider yourself invited to return to our hotel/restaurant and allow us to make a fairer analysis of your level of satisfaction.
Kind Regards,
The General Manager.

Dear Bewerter2712,

Once again we apologize that due to maintenance reasons we had to move you to another hotel for your second stay. As we had the opportunity to explain to you, the situation overtook us and we were unable to occupy the room that was assigned to you.
We sincerely apologize and regret that this episode affected your assessment of the hotel, which would certainly be different, were it not for the impossibility that we had to welcome you on your second stay.
We sincerely hope you can return in a near future, to allow us to compensate you conveniently.

With our best regards,
The General Manager.