Charged for a prepaid room

Have prepaid contract abided by hotel ... Booked flight and hotel thru AAVacations in July **** - Chicago to New York City (travel September ****) stayed at Parker NY. Two rooms, three people.*Had confirmation numbers:* ********* (* guests)* ********* (* guest)*Upon arrival at hotel, one reservation was in place (-**) but other (-**) was not recorded in their computer system, even tho we had your confirmation *. Both rooms * flights had been paid for in full prior to our arrival.*Upon departure I received a statement from the hotel that I had a zero balance due. I subsequently received a written receipt indicating that I had been billed $****.** for a room that I had already prepaid for. Since then I was refunded $***.** by American Airlines Vacation that was subsequently applied against the $****.**. I have been told that I owe the difference ($***.**), even tho I had your confirmation number and all the supporting data, etc. I am requesting * expecting that they should honor my contract with AAVacations * Booking.com and drop the extra charge of $***.**. Please advise if any other data is needed.**Thank you for any assistance in this matter.*James A Stadler

We had all the needed confirmation data and support data

Have hotel drop the additional charge related to the second billing

Have used a MC for *** years

Working with AAV and MC