Alex: Hello! This is Alex speaking. Can I speak to Mag?
Mag's mum: I'm sorry, Alex. She isn't in. She is taking her dog for a walk.
Alex: What a pity!
Mag's mum: Alex, can you phone back at 5 o'clock?
Alex: Of course, I can. Thank you. Good bye.
Mag's mum: Good bye.
Simon: Hello. This is Simon speaking. Can I speak to Jim?
Jill: I'm sorry, Simon. Jim isn't in. He is playing football with the boys.
Simon: What a pity!
Jill: Simon, can you phone back at 7 o'clock?
Simon. Of course, I can. Thank you. Bye.
Jill: Bye bye.