In December 15, then I don't know how you made the booking and payment successfully or not?I've this message in order to confirm that the reservation has been made for you already in the night of 13 and December 14.
The date of December 15 did not know that you make reservations and payment, or that my message is to confirm that I have already booked a room for you on the night of 13 and 14 December.