EFT Payment Service

I am not happy with the service I received today from Absa bank, where I called regarding a payment that I made this morning and needs to be reversed back into my account. But however on the call the consultant told me that it will take 21 working days to have the funds reversed back into my account and there are no guarantees that the funds that the transaction will be successful. I don’t understand because when making immediate payments they are the ones that cannot be reversed it even pops up when processing payments on the APP. So now I have to wait 21 days for a query that might not be even reversed. Unfortunately I cannot wait for that long for the funds to be reversed back. I have logged a query to the email address that I was provided and received automated message with the ref no: C-***5