There's something to be said for being so forgettable that the salesclerk asks you what you'd like to order immediately after you've already ordered and paid and are standing there closing your wallet.
True story, people, true story. I went to Beard Papa's yesterday for a cheese stick (har, that sounds disgusting but really it's just a stick of deliciousity goodness cheesecake) and after the clerk had greeted me with their famously cheerful, "Welcome to Beard Papa's!", I ordered a cheesestick. She told me it was a dollar, and I dug out my wallet, handed the dollar over to her, and as I'm standing there trying to put my wallet away, she asks me, "What would you like to order?"
I stood there for a moment, confused. Had I been daydreaming so heavily that I actually imagined the entire episode of me handing over the dollar? I didn't think I was
that tired, but just in case, I said, "I want a cheesestick," then kind of nodded to confirm that I'd already done so.
But then she actually rung it up again and asked me for a dollar! Eventually the whole mess was sorted out, with her smiling a silly smile and me questioning if the Beard Papa cheer comes from something other than natural enthusiasm.