[The girl leaps backward too. Sorry man. Years in Aperture before winding up in a crazy convoluted magical castle will make you leary... She drops to a crouch, staring at him with big startled eyes before finally speaking up. Normally she wouldn't. He's a stranger. But she hasn't got a pen or anything to write on.]

I'm sorry. Are you all right? I didn't know you were behind me or I'd not have stopped like this. I'm new around here. But I promise... I don't mean you any harm.

[She knows the look of someone who's probably spent a lot of time running for his life, and if he's this jumpy there's gotta be a reason. She peers around, eyes flicking here and there, probing at the shadows, trying to find what it is he's afraid of.]