an awkward conversation (not mine, for once!)

Coworker 1: Do you happen to have contact info for [some guy]?
Coworker 2: No, I haven't talked to him. Why?
Coworker 1: What's that?
Coworker 2: What's that?
Coworker 1: Ummm.... so you don't have it?
Coworker 2: No.