I want my reversal urgently

I have had the most terrible customer experience one can ever have with Telkom. Ive been debited R400.70 twice, R400.70 on the 17th December 2021 and R400.70 on the 23rd December 2021. I called last thursday and spoke to Matshediso Mosedi who requested my bank statement as well as my ID number. She advised me that it should take 48 to 72 hours. Today I called 3 agents whom I only remember Sipho who all disconnected the line on me. The final gentlemen who was able to hear me out was Kelvin. I want my reversal urgently and I will not be able to wait 14 working days. I wish to state that Telkom do not care about customers at all.