Do you need to know that?

Luser: "I need to have Joe Blow added to a computer."

Me: What computer does he need to be added to?"

Luser: "I don't know. Do you need to know that?"

Me: "Yes, we can't add him to a computer until we know which one." (flowers and sunshine in voice)

Luser: "I'll have to ask him." Click.

Gah!