Charlie does, in fact, appreciate the help. As little as it is, because of language barriers and helpful things getting lost in translation.

Which leaves the teenager to stare at, and study, the house in front of her. Presumably, there might be people inside who can help, or at least point her in the direction of a motel. Or, there could be giant mutant cannibals just waiting to rend her limb from limb.

Perhaps she has watched way too much post-apocalyptic Hollywood movies.

"Thank you," Charlie offers, and heads up to knock on the front door.