"Oh. You're going?" He sounds surprised. He doesn't know if it isn't rude to just send him off like that... but they do live in the same building it seems like, and it's not like he has a reason to hold this guy back. For a moment he seems to ponder on what to say next.

"... Aah. If you want, feel free to drop by again to see if he's here. Do you want me to tell him anything?"