Reversal of funds

On 25/03/2015, I made an EFT of R300. On the following day, the recepient told me that they never received the money and they confirmed that they have given me a non-existing account number. I called FNB to inform them, and I was told that since the account number didn't exist, I will receive a notification of payment failure within 3 working days and the funds will be reversed within another 3 working days. I received an email with an \unsuccessful transaction"message but never received the money. I called FNB again on 02/04/2015 to find out"