Refuse to refund before rental commencement

After may telephone calls, e-mails and 38 days, I still can't get my issue resolved with Avis.<br> I rented a car and paid in full by Credit Card via Cartrawler and returned the car 8 days earlier than anticipated. I first called the PE Airport branch to ask if I'll be refunded if I return the car earlier and it was confirmed. On returning the car, the person who assisted me also confirmed that \I only pay for days used"and that I'll be refunded. He wrote the refund amount on the Statement form. After many phone calls and many e-mails to PE branch and Isando"