Okay, I work at a fast food joint that sells hot coffee (black, with sugar or cream) and ICED coffee (French Vanilla, Mocha, or Regular). The menu board at our drive though says that it is ICED coffee, and that it is only available as an ICED coffee.
Me:
SC: Obviously can't read
SC's Wife: Has reading trouble herself
Customer drives up to the window and I start to hand out their order
SC: This is ICED coffee
Me: Yes, we only offer the Mocha's as Iced
SC: I don't want it ICED, I want it HOT. Warm it up!
Me: I'm sorry, we don't have a way of doing that for you, we don't sell hot Mocha or Vanilla coffee here
SC: But it's ICED
Me: Yes, but it clearly says on the menu board that it is only available ICED
SC: But I thought if you didn't specify ICED you got it HOT. How could you make this mistake?
Me: I'm sorry, it is only available ICED. No matter how you order it, it will only come as an ICED coffee.
SC's Wife: But you should have it HOT. Other places have it HOT, like those COFFEE STORES? YOU know what I'm talking about..why don't you have it
Me: I'm sorry, we are not a coffee store, we are a burger restaurant, and we have limited choices in our drinks
SC: Why not? You say I can have it "MY WAY", why won't you fix this?
Me: Sir, if you don't want the coffee, I can take it off your bill.
SC: No, I want my coffee HOT! Make it HOT!
Me: Sir, I can't do that, I apologize. If you want a specialty coffee, there is a coffee shop down the street. I will take this off your bill
SC: No, just give it to me. WHY you can't do what I want is stupid; you should be fired
Customer then takes coffee (after paying) and throws it on the ground outside the window. So, he just paid $4 for nothing
Me:

SC: Obviously can't read
SC's Wife: Has reading trouble herself
Customer drives up to the window and I start to hand out their order
SC: This is ICED coffee
Me: Yes, we only offer the Mocha's as Iced
SC: I don't want it ICED, I want it HOT. Warm it up!
Me: I'm sorry, we don't have a way of doing that for you, we don't sell hot Mocha or Vanilla coffee here
SC: But it's ICED
Me: Yes, but it clearly says on the menu board that it is only available ICED
SC: But I thought if you didn't specify ICED you got it HOT. How could you make this mistake?
Me: I'm sorry, it is only available ICED. No matter how you order it, it will only come as an ICED coffee.
SC's Wife: But you should have it HOT. Other places have it HOT, like those COFFEE STORES? YOU know what I'm talking about..why don't you have it
Me: I'm sorry, we are not a coffee store, we are a burger restaurant, and we have limited choices in our drinks
SC: Why not? You say I can have it "MY WAY", why won't you fix this?
Me: Sir, if you don't want the coffee, I can take it off your bill.
SC: No, I want my coffee HOT! Make it HOT!
Me: Sir, I can't do that, I apologize. If you want a specialty coffee, there is a coffee shop down the street. I will take this off your bill
SC: No, just give it to me. WHY you can't do what I want is stupid; you should be fired
Customer then takes coffee (after paying) and throws it on the ground outside the window. So, he just paid $4 for nothing
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