There's a moment in which Enjolras considers asking how exactly this man had known of the French without knowing of France, but he lets it pass. Engaging the natives in that kind of questioning rarely ends well. At best, he could hope for frustration, at worst, perhaps, further disillusionment with humanity as a viable species and one more thing urging him toward abject nihilism. No, better to smile absently, politely and again decline the offer. Better to not engage and not force this hideously cordial man, this Chris to truly think about his statements. "No no, thank you. I would feel like a terrible imposition."

Devaluing small talk as a whole, however, means that while Enjolras has nothing else to say, had nothing to say originally, he has no idea how to disengage politely. He could cut and run, of course, but he had a reputation to maintain now. If not for his own sake, than for the sake of his friends currently fighting for their lives in the Arena. "Are you from the Capitol originally, my friend?"