DAVE: Hello, Margaret
-MARGARET: Hello
-DAVE: What are you doing?
-MARGARET: I'm doing the homework
-DAVE: About what?
-MARGARET: A dialogue of two persons
-DAVE: Do you want help?
-MARGARET: No, thanks
-DAVE: Ok
-MARGARET: Do you have homework?}
-DAVE: No I don't
-MARGARET: Ok
-DAVE: But I have housework
-MARGARET : What do you have to do?
-DAVE: I need to clean my room
-MARGARET: Ok that's a lot of work
-DAVE: No it's easy
-MARAGRET: Bye Dave
-DAVE: Bye Margaret
-MARGARET: See you later