useful expressions

Can I speak to Mr Snow?
Can I speak to someone from your marketing department?
My name is… I sent you an email last week about…
Can you talk?
Is that Steven?
Thank you for your email earlier.
She’s away from her desk.
Can I take a message?
Can you call again later?
Can I call you back in twenty minutes?
Do you have the document in front of you?
I’ve been trying to phone her all day but I can never get through.
Actually, I really need to speak to him in person quite urgently.
What’s the best way of contacting you?
I can’t hear you very well.
Can I just check whether he has your phone number or not?
I know you’re very busy, so I’ll let you get on.