Bad service front cashier

I went to spur for some takeaways I arrived there 17h49 and I received my order past 7 but that is not a problem my problem was there was a cashier who was giving me negative vibes as if she was disgusted by me and I could see it because when I talk she will answer me in an irritated way. when Portia was done helping me she asked her to go and prepare my food and she pretend not to hear her and then comes a white a guy she started helping him and i then went and ask what is wrong was she not supposed to be helping me and then she said she will do it. I was hurt because I had already told them that where I am going is a distance and they lock the access gate and I will not be safe. I am disappointed with the way she was doing that day.