The Kindly Brontosaurus [Slate.com]
A practitioner, nay, an artist, of the Kindly Brontosaurus method would approach the gate agent as follows. You state your name and request. You make a clear and concise case. And then, after the gate agent informs you that your chances of making it onto this flight are on par with the possibility that a dinosaur will spontaneously reanimate and teach himself to fly an airplane, you nod empathically, say something like “Well, I’m sure we can find a way to work this out,” and step just to the side of the agent’s kiosk.
Read the whole thing, and pay attention to the picture of the woman.