Ah, Spare Me, Gus

I am delivering food to my table. One of the customers says his order is wrong.

Customer: “This isn’t what I ordered! I ordered the avocado omelet!”

Me: “Sir, there is no avocado omelet on the menu. I’m certain that you ordered the omelet with asparagus.”

Customer: “No! I ordered the avocado omelet! I’ve ordered it here before!”

Me: “Sir, I’ve worked here for five years and we have never had an avocado omelet. Actually, I don’t think we even have avocados.”

Customer: “Bring me the menu!”

I bring him the menu and he glares at it for about a minute.

Customer: *In a snotty tone* “I guess this is what I ordered!”

No apology, and no acknowledgment that it was his mistake.