BAD SERVICE/OUTSTANDING REFUND

LAST WEEK WEDNESDAY I WENT TO AUDI CHURCH LOOKING FOR A CAR, I WAS HELPED BY VICTOR AND I RECEIVED A CALL ON FRIDAY(05TH) FROM VICTOR SAYING MY APPLICATION HAS BEEN APPROVED AND IT NEEDS R50000.00 DEPOSIT AND I DID PAY , HE WILL BRING THE CONTRACT TO ME BEFORE MONDAY TO SIGN AND HE DIDNT,I EXPLAINED MY FRUSTATION TO THEM CAUSE THERE IS NO PUBLIC TRANSPORT WHERE IM WORKING AND I SOLD MY CAR ON THE 08TH KNOWING THAT MY APPLICATION WAS APPROVED,BUT NO ONE CALLED TILL MONDAY AND I DECIDED TO SEND MY HUSBAND TO ENQUIRE AS IM ALWAYS BUSY AT WORK THAT IS WHEN THE MANAGER TOLD MY HUSBAND THAT IS WAS DECLINED,I PHONED ON TUESDAY THE 11TH TELLING THEM THAT I WANT TO BUY CASH AND THEY ALSO DID NOT FOLLOW UP,SO I BOUGHT ANOTHER CAR AT KIA SO I HAVE PAID DEPOSIT AND STILL WAITING FOR MY REFUND FROM AUDI SINCE TUESDAY WHEN I CALL THEM THEY ARE TAKING ME FROM PILLAR TO POST THEY PROSIMED TO REFUND YESTERDAY BUT STILL WAITING AND IM AFRAID I CAN LOOSE THAT OTHER CAR AT KIA PLEASE HELP ME