Reservation is a term used to book a place for an activity, conference, function, or a stay. A letter of reservation is a direct request asking for a spot to be kept for some activity or some purpose in future. Generally reservations are made on already provided forms which customer is supposed to fill and there are cases here one has to write a letter to make a reservation. It usually happens that you make reservation of a hotel or book a table by making a call or via internet but in case of a unique request or a unique reservation one has write a letter.
Scenario of writing a letter could be any, like are asking for a permission to make arrangements of function on a place that is not used for this purpose before, you want to reserve a place that is located in a foreign country and you have to write a letter or you are travelling to some remote areas and the place is not connected by some other communication but only post, these cases or any such other case demands a letter of reservation to be written to the management.
Writing a reservation letter is not a big deal really, actually it is simple to do. Such a letter could be official or unofficial; whatever type of letter it is you have to be very specific about the things. The letter should be simple and to the point. Give proper details of what you want, mention each and every thing clearly and if your demand includes something unusual, then you can add details related to that, in case you find a need to convince the reader for the said reservation, you can make it persuasive but stay clear so that recipient could provide you the best possible according to the demand. You should include your personal details in the letter so that recipient could contact you if it is required. You can find a sample of letter of reservation with this template to get helpfrom while drafting your letter.