"I'm so sorry. I hope you find her, or get back to her, or... whatever."
"I don't know about siblings so much." Cameron shrugged. "But I have seen notes on the bulletin boards looking for friends and husbands and the like. This seems to be a messed-up situation all around for a lot of people." Like here, but she wasn't going to say anything about that if it could be avoided. "Have you tried a notice yourself?"
"There were some things posted about magic, too, that I read. And some complaints about the weather. I guess there's magic in New York now. Funny, isn't it?"
"I'm done for the day. Were you going anywhere or just taking a walk to enjoy the snow? I could probably use something to eat, and you can tell me about where you're from. There are so many interesting places I've never heard about before."