Staff at kiosk rude and unpleasant

I had to experience the worst customer service in Pick n Pay hyper( Woodmead retail park). Early on the day around 12:03 I had been rewarded with R 30 airtime so excited i was told to come back later as this airtime has to be allocated on a pick n Pay SIM card and at the time we had a national issues with RICA registration so naturally I had to go back.

Boy was I totally embarassed and taunted by an employee named Thobeka, firstly she could not even bring herself to check my voucher of if I have everything required and she was Sooo ride that I was so gobsmacked my goodness in front of her colleagues she was gaslighting me and just being disrespectful even to the point of her supervisor and manager intervened and she still gave all three of us an attitude even after I stayed behind in hope that she could explain why the bad treatment but I came out of that office more irritated than when I went in.... Pin n Pay I never expected a great customer service from a supermarket but being disrespected and rediculed by a staff is very unpleasant since nobody apparently can do anything about it. I have to go back there today to buy my lunch since it's closer to work and continue being treated badly even though I pay with my hard earned money? Something needs to be done ASAP!