Переведите диалог. 
Good morning. Can I help you?
Good morning. I'd like to speak to Mr. Marsh, please.
Who's calling, please?
My name is Weston. I'm from Plant Installation Ltd.
Will you hold the line a moment?  I'II see if Mr. Marsh is free.
Yes, thank you.
Hello, Marsh's speaking.
Hello, Mr. Marsh. I've got Mr. Weston on the line. Can you speak to him now?
Oh, yes. Thank you. Put him through, please?
You are through now, Mr. Weston.