Najlepsza Odpowiedź!
I would like to thank you for a very good time at the hotel.
Staff were very friendly and the food delicious.
The view from the room was beautiful.
I am very happy with this visit.
This hotel is really decent, because it is a quiet hotel.
I hope that does not come back here again!
Yours. room apartment No. 20

Oczywiście na początku musisz popisać datę i miejscowość z jakiej piszesz; )
chyba dasz radę ;d