GRAHAM TURNER: Is that you, John?#
			
			
		JOHN SMITH: Yes, speaking.#
			
			
		GRAHAM TURNER: Tell Mary we'll be late for dinner this evening.#
			
			
		JOHN SMITH: I'm afraid I don't understand.#
			
			
		GRAHAM TURNER: Hasn't Mary told you? She invited Charlotte and me to dinner 
			
			
		this evening. I said I would be at your house at six o'clock, but the boss 
			
			
		wants me to do some extra work. I'll have to stay at the office. I don't know 
			
			
		when I'll finish. Oh, and by the way, my wife wants to know if Mary needs any 
			
			
		help.#
			
			
		JOHN SMITH: I don't know what you're talking about.#
			
			
		GRAHAM TURNER: That is John Smith, isn't it?#
			
			
		JOHN SMITH: Yes, I'm John Smith.#
			
			
		GRAHAM TURNER: You are John Smith, the engineer, aren't you?#
			
			
		JOHN SMITH: That's right.#
			
			
		GRAHAM TURNER: You work for the Overseas Engineering Company, don't you?#
			
			
		JOHN SMITH: No, I don't. I'm John Smith the telephone engineer and I'm 
			
			
		repairing your telephone line.&