He's acting the same way Matt had after regaining consciousness on her couch. Claire understands that need to be wary and judging by the way he's looking at her, he feels he has reason to. So, in order to help, she keeps a wide radius and uses a soft tone to speak to him with.

"That won't happen here," she says, proceeding to walk. "I've been here a few weeks now and people here aren't really like people in the bigger cities on Earth. Like New York."

She purposely looks his way, that little smile still on her lips as she tilts her head his way.

"Speaking of, that a Brooklyn accent I hear?"