If you require some information you can say: Could you tell me if/when/how much/why...? I wonder if you could tell me...? I'd like to know... I'd like some information about... If someone asks you for information you can reply: As far as i know... Well,(in confidence,) i can tell you that... I'm afraid i don't know... I've no idea,I'm afraid... I don't have that information available just now,can i call you back? I'm not sure,I'll have to find out,Can i let you know tomorrow? I'm afraid i can't tell you that,it's confidentail.

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