Just now, a normal-looking man stops me on the street:

Man: “Excuse me Miss, do you have change for a dollar?”
Me: “No, sorry, no change– just regular dollars!”
Man: “Yes, that’s what I asked…do you have a dollar?”
Me: “Ohhhhhh! I thought you said CHANGE for a dollar!”
Man: “No. I said ‘Do you have a dollar?'”
Me: “Oh. No…”