(At the store where I used to work, most of our bags didn’t have handles. Only the largest size did. A woman was buying a greeting card, which, after scanning, I gave to her in a small paper
bag.)

Woman: “Don’t you have any bags with handles?”

Me: “I’m sorry. The only bags we have with handles are these big ones.”

(I show her the large bag with handles.)

Woman: “Well THAT’S stupid!”

(She then proceeded to call a few other things stupid.)

Woman: “Fine, just give me the bag without handles.”

Me: “Do you want your receipt?”

Woman, looking at me as in disbelief: “NO, I don’t want a RECEIPT!”

Me: “Have a nice day!”

Woman: “Well…you…DON’T have a nice day!”