Simply replace the unfilled areas such as "" and "[date]" with your information.
[Name of guest] is an honored guest of our corporation, and during his stay at your hotel, you are hereby authorized to forward all bills for his stay to our accounting office.
Thank you in advance for your special consideration of this individual and his needs. We hope to make his visit to our company and our city most enjoyable and memorable.
If I may be of any assistance in this matter, please contact my office as necessary.