Thank You For Thank You to the Hotel
Dear {Hotel Manager},
Please accept my deepest thanks to you and your staff. I stayed at {hotel} from {date} to {date} for {vacation/a business trip} and had the most pleasant stay.
From the minute I arrived to the day I left, I experienced nothing but utmost hospitality and professionalism. Everyone I met had a smile on their face and was always ready to help. I'd like to give a special mention to {staff name}, who {what they did to deserve a special mention}.
I know where I'm staying next time I'm in {city/town} again. I will also tell all my {friends/family/colleagues} about your {excellent/wonderful} hotel.
Warm regards,
{Your Name}