A:Hello,may I speak to Jack?
B:Hi,I am sorry,but Jack is not in at the moment.I am his colleague,Chris.Who is that speaking?
A:This is Jane speaking.Could you please give him a message then?
B:Sure.
A:Please tell him that Jane phoned and I'd like to know what is his plan for this afternoon.And if he's back,can you ask him to call me back?He has my number.
B:Ok,no problem.
A:Thank you so much.Have a nice day.Bye~
B:You are welcome.Bye.