-Listen, we've got something to talk about
-Why? What's the matter?
-If you don't stop sitting on my place, you'll be in big trouble. Let's change our seats immediately.
-Why should I change the seat? I like it and it is convenient.
-You know why,ok?
-Well, look, here is my ticket, it says that this place is mine.
-But I've got the same number.!!!!
-It's not my fault, don't worry there are a lot of seats over there.