A: Good morning. Robert Smith,s speaking.
B: Good morning. This is Gerhard Maier. I would like to spesk to Mr.Brown.
A: Oh, sorry. Mr.Brown is not here.
B: Can you tell me when he will be in?
A: Probably around 4 p.m.
B: Alright, I will call him later then. Thak you.
A: You're welcome. Bye.
B: Bye.