I'm sorry, I didn't mean to speak as though I know about those things... [He's trying his best to keep a straight face and not tremble.] Does this mean you're a professional?

[Or is he jumping to more conclusions. Like the conclusion that he's able to actually be of any help. This person... Is kind of tall. And his knees are shaking. Okay, okay, he's going to start trying to go forward.]

You're giving me too much credit, I'm afraid. [Maybe making conversation isn't the best right now especially considering he's only moved a few centimetres along.] You really are alone? Do you... Do you have someone to call?