Vehicle loan or lease — AMERICAN HONDA FINANCE CORP (NY)

Billing problem. My name is XXXX XXXX XXXX with XXXX XXXX # XXXXXXXX XXXX XXXX, and my sister XXXX XXXX with XXXX XXXX # XXXX, XXXX XXXX XXXX. We bought a XXXX XXXX XXXX car on the day XXXX/XXXX/XXXX, in the XXXX dealership # XXXX, located On XXXX XXXX XXXX, XXXX, NY XXXX. The purchase of the car was for the sum of $ XXXX financing of {$3900.00}, for a total of {$28000.00}. The contract was made for XXXX payments of {$390.00}, my last payment was made on XX/XX/XXXX, with this last payment, I completed XXXX payments for the amount of {$29000.00}. I called many times to solve this problem, and then, they always change their arguments.They state that I have not send my payments for XXXX and XX/XX/XXXX. I have copies of the payments in my bank account. Later they stated that XXXX payments ha