Refund

Good morning Peter, i needed a Natis document for my car i oaud yeaes ago, however, i googled Natis and thought that wesbank are connected with FNB and i have R440 into Wesbanks bank account and ur was the wrong bank i had to pay the money onto the Nedbank account. I have sent almost 15 emails requesting a refund from them, i have emailed a copy of the payment and my ID no and bank statement as proof and i told them i dont have an account with wesbank and everytime they sending the same email back requesting for my account details. I seriously dont know how to explain myself anymore. I akso request them to phone me but no reply. Please help.