Crazy Customers 4th of July Edition: "You guys don't do a 4th of July discount? All airports in the US do, I want a discount on my coffee!"
I work in a European airport.
This morning, I had a very irate lady order a coffee. I small talked with her, she told me she'd taken a red eye and that she'd read her book the whole way. Fairly standard transaction.
... Until I asked her to pay. I told her that the total came to €2.50. She then insisted that I gave her a discount, because she was "an American citizen on the 4th of July" and that "every airport in the US would give me a discount". She then started waving her passport at me.
Eventually, she left and still refused to pay for the coffee.
This is not an ideal exchange at 6am.