Rudeness on the call.

I was charged R30 twice for a trip that i did not take. I called into customer care line to log a formal dispute for the refund. I was speaking to a rude consultant by the name of Baatseba whom when we started on the call she was doing verification and asking me for my contact number. I called out the number and she rudely interrupted me and said i need to call the number slow or else i am not going to get my refund. Like how the hell to you say that to the client as if i am being made a favor. I do not care if its R60 however its mine. I do not appreciate the tone and rudeness she confidently said am i done? After i have corrected her that you do not speak yo clients like that rather say that i am fast can i say it slow. The attitude and the tone its just disgusting. Worst service you could think of.