[He waits for her to keep writing or to walk past him. Dave blinks at her question and points forward.] Heading down. Got to hit the cafeteria for something to eat.

[He pauses, thinking it over and finally adds.] New here?

[With her questions it's the best thing to assume. Anyone who had navigated the floors would know what they were dealing with. He meets her eyes for a moment and keeps talking.] Because if you are, I'll explain how this place works.