My name is _________ (name) and I am a resident of __________ (mention location).
I write this email in order to inform you that I am willing to book a table in your hotel i.e. ________ (hotel name) for _________ (dinner/ lunch). It is to request you to kindly book a table for _________ (number of people) for __:__ (time) on __/__/_____ (date).
Courteously, I would like to state that _________ (I am ready to pay the advance amount for the booking once you confirm the booking – if applicable). For any further queries, ___________ (mention number).
__________ (Your name),
__________ (Contact details)