Forgiveness is an art, it is a skill, it is many good things. Biggest of them all forgiveness can be a challenge, but never forget about forgiveness in this world that we live in.
Well I think that's an indictment on the graduate educational system. College degrees don't amount to as much as the paper they are printed on, evidently. Perhaps she would have been better off learning good manners, and hospitality than whatever field she spent untold thou$and$ on.
You should report her to store manager. They do want to know how their employees are doing. It's all about customer service. You were being helpful that's all. She was being rude.