You must have wonderful people skills...

ME: Okay, and what's your computer name?
CALLER: CIMPRKT
ME: Was that last letter T, as in Tom?
CALLER: No. C... as in cat. I, as in... uh... hmmm.... *pauses*
ME: How about just that last letter?
CALLER: T
ME: As in Tom?
CALLER: Yes.
ME: *slaps forehead* Okay, and what building are you in?
CALLER: Uh... um... 28?
ME: Could you check with a co-worker.
CALLER: Okay... *long pause* 32!
ME: *sighs*