REFUND R318 FROM ON AIR

I HAVE BEEN IGNORED BY THEM FORM 7TH APRIL. THEY HAVE DEDUCTED R159 1ST APRIL 2021 FOR A SERVICE THAT I DID NOT AGREED TO,I CALLED THEM FOR A REFUND THEY ASK ME TO CANCEL WITH FIBRE DEPT. ON THE 7TH APRIL 2021 THEN ON THE 1ST MAY 2021 THEY STILL DEDUCTED AGAIN R159 NOW THEY MUST REFUND ME R318 . THE *** IS TO HELP ME,BUT TILL TODAY IM THE ONE CALLING THEM THEY DO NOT HELP ME , I HAVE SEND EMAILS TO THEM,THEY SAID ZINHLE WILL COME BACK TO ME BUT TILL TODAY NO RESPONSE,THEN THEY SAY NTOMBIFUNTHI GOBA WILL CALL ME WITH *** BUT STILL NO RESPONSE OR CALLS FROM THEM.I CALLED 11 MAY 2021 AGAIN SPOKE TO RONELLE SHE SAID I MUST HOLD SHE WILL ASK ZINHLE WHAT IS GOING ON WITH MY CASE SHE HANGED UP AND NEVER COME BACK TO ME. CAN YOU PLEASE HELP ME TO GET MY REFUND BACK R318 PLEASE. THANK YOU