I was in New York buying shoes with my dad. He was off looking at the men's section and had just been helped by the sales associate, so he sent her to me in case I wanted to try anything on. We talked for a bit without problem, but then she asked me my name. I said "Um...", and it took a while for me to get the name out (I block immediately instead of getting repetitions), and she was like "Did you forget your name or something?" and laughed. I responded by saying "Uh, no, I have a stutter." and she just awkwardly said "Oh, ok haha." and then left, without even apologising or helping me buy any shoes. Not that I would spend my money on her commission after she was so rude. It really infuriated me to be honest.