Little girl: What's that?
Mom: That's an oxygen mask.
Little girl: What's an oxygen mask?
Mom: Well, sometimes the plane doesn't have any oxygen and the oxygen mask will pop out of the ceiling and you have to breathe into it.
Little girl: Mommy, what does this say?
Mom: That's a bracing position...And that says when you have an emergency you can't take your bag -- you have to get off as fast as possible.
Little girl: Mommy, what about my toothpaste?
Mom: Well, that's just in an emergency situation.