BAD CUSTOMER SERVICE

Had my debit order bounce on Jan 25.I made a manual payment on Jan 29 Now on Feb 25 the company double debited my account. I spoke to an unhelpful agent named Dintle.I spent 38 minutes on the phone because she refused to accept my proof of payment via email. The agent insist I send POP via WhatsApp after telling her I cannot convert file to PDF,SHE HAD THE AUDACITY TO TELL ME NO ONE USES EMAIL AS A WAY OF COMMUNICATION AT SUPERSONIC.YOU CAN HEAR THE CALL..I receive my monthly statement via email. I requested a refund but this person insist I first send POP .My account number SS***