如何写一篇想旅行社询问信息的英文信?

December 10,2008
XXXX Travel Agency
### XXX Street,
XXX TOWN,XXX STATE
To whom it may concern:
I am interested in the trip (TRIP NUMBER) you proposed.I'll appreciate it very much if you provide me more information about the trip such as date,time,destinations,costs,meals,hotels,and its itinerary.
Looking forward to your reply.
Thanks.
Sincerely,
(YOUR NAME AND SIGNATURE)