Mr. Smith : Can I speak to Mr. Jones, please?
Secretary ; …………..
Mr. Smith : Unfortunately I can't. I'll phone him tomorrow.
He's in a meeting. Can you ring back in an hour?
One moment please. I'll just check.
I'm afraid he's busy. Can he phone you back later?
I'm sorry, he's out. May I take a message, please?
No, he's not here this week. Could you phone back next week?