Billing issues

I rented a car at Avis through my insurer(Discovery Insure) in December 2015 and the vehicle was returned later in February 2016 after my insurance company extended the initial contract. I contacted Avis Customer care as to why my funds were not returned and they blamed my bank, FNB. FNB states that the funds were NOT released and that the transaction went through<br> <br> I've been put on hold for a total of 86 minutes between Avis and FNB and I can NOT do this again<br> Insurance Claim (***) is: ***4ZA2<br> <br> Statement Ref:<br> 09 Feb POS Purchase Chq Card Avis Rent A Car 479012*5857 04 Feb 1,265.56 1,016.56