[There's just a little hum in response to her first observation - a quiet little noise that lacks either negative or positive connotation.

But once she plucks the flower from her hair and holds it out, his eyes widen just a little in curiosity. He leans in just a little to get a good look, but makes no move to touch it.]

I can see why such a pure white would end up being associated with the moon... Certainly at night, they're even lovelier, like the moon on a lake. [Then, after a moment of consideration:] The shape of it reminds me of a lily.