Appalling service by a Cashier at Jet store Westgate .

I'm so appalled at the service ,I recieved from a cashier named Gadifele that was handling my sale on Saturday evening at Jet Westgate Mall. She was so rude and vile I'm still shocked at the sheer disrespect and lack of customer service she provided. I was in the que to pay for my clothes when she called a lady standing behind me carrying cash to pay before me without even asking me . When I got to the till I asked her why she served lady behind me first and she said it's because she saw her carrying cash and that's what she needed to cash up . I asked her if I also had cash but it's in my purse why didn't she ask me first. Instead of apologizing for the inconvenience to me she just went off . She said do I want her to assist me or not? because she is doing me a favor by doing my sale because she has knocked off , she proceeded to call her colleague to come and do the sale if I won't stop complaining. When I related the incident to her colleague who seemed to be a supervisor she said I must leave her alone,that was a clear indication that she is also enabling her behavior because she did not reprimand her instead she asked if she can please apologize on her behalf while Gadifele was still busy making rude comments in the background, I asked the lady why can't Gadifele apologize because she is the one being rude and not her she asked if I can please pay so that the cashier can leave of which I found totally disrespectful for her to dismiss me and disregard my view at that moment. I can't believe that a person can be so rude at her work place and even go to the extent of telling a customer to leave her alone and that she's doing you a favor for doing her job and her superior there with no sense of empathy or acknowledgement to the fact that her consultant is being out of line ... I'm so disappointed that she didn't even care when I highlighted to her that she is acting as if she isn't appreciating the opportunity she had to have a job when a lot of people would have loved to be in her position she dismissed me point blank,I hope Jet stores teaches their employees to be customer centric because it was sad to see myself debating with someone wearing a brand and them telling me they have knocked off while still behind the counter but acting as if they are not proud of the brand they stand for and represent.