Know any good ones?

I have 2:

A man says to the waiter, "There's a fly in my soup!"
The sleepy waiter says, "Hush, or everyone will want one!"

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and one I came up with....

A man says, "Waiter, there's a fly in my soup!"
The bored waiter replies, "Wait til it comes up for air and make it pay half your bill."