There was a blonde sitting in first class when a flight attendant noticed she didn't have a first class seat. The FA approached the blonde and informed her that since she didn't have a first class ticket that she would have to return to coach. The blonde replied "I'm blond, I'm beautiful and I am going to Chicago. And I am not moving from this seat".

Perplexed, the FA decided to ask the co-pilot if he could speak to the blond and see if he could convince her to return to coach. He went over to her and after a very brief conversation the blonde picked up her things and went back to coach.

The flight attendant asked the co-pilot what he had said to gain her cooperation so quickly. He said, "Oh, I just told her that first class doesn't go to Chicago"