A: Hello, could I speak to Allison, please? B: I'm sorry; he's out at the moment. A: When do you expect him back? B: I think he'll be back in about an hour at least. A: Well, may I leave a message? B: Yes, of course. A: Would you please ask him to call Chris when he gets back? B: Ok. Does he know your number? A: I'm afraid he doesn't. My mobile is 139- 2477-4026. B: 13924774026. All right. Thanks for calling. Oh, hang on, someone's at the door that may be him, please hold on.