Bad service

I complained about bad service I got from checkers @mall of Africa by calling the complaints department on Tuesday n I still didnt get feedback even today. To add on top of that I went bck on Wednesday to do my min groceries n the lady who gave me bad attitude (Tears) @ deli jst loughed together with her freind right in my face to show that nothing was done on the matter, n I should never ever ever go bck to that store cus clearly no one knows anything abt customer service period, it's very very bed poor to b specific.