Dollar Tree

I accidently took a shopping cart that the cashier was using for items the customer did not want to purchase. She was so rude in saying this cart belongs to be. I told her I was sorry but her attitude was bad. I told her to calm down I'm very sorry. So I just went and got another cart. I was surprised to hear her talking about the incident to another customer. She was telling the nerve of some people and telling the customer I had no business taking the cart. I was so angry I told her she was mean and disresctful. She has not business talking about me period. While I was standing in line she repeatly looked and me rolling her eyes. This not how customers should be treated period. That went to far. I should not have to feel like I have to go to another dollar tree to be comfortable and treated with better service.