как написать телефонный диалог?

- Hello. It is Zlata speaking. Call Andreas, please.
- Hello, Zlata! I'm afraid Andreas is not in.
- Sorry, but when will he come back?
- I think, in half an hour.
- Could you tell him to recall me?
- Yes, sure.
- Thank you. Good-bye.
- You are welcome.

-Hello, Mary
-Hi, Austin
- I want to know, how many time I've got to read the book "Red shoes".
- Oh, I can help you. When you were out for the lesson, the teacher said: " You have to read " Red shoes" in three days.
- Thank you very much.Goodbye.
- Goodbye.