[His smile broadens and brightens and he tips his head in a sort of bow at her introduction.]

Napoleon Solo, at your service.

[It feels strange, somehow, just introducing himself normally, interacting with others without a narrower purpose. But his smiles look sincere, and he's for all intents and purposes enjoying himself.]

It's a pleasure to meet you, Isabelle. Do you think there's anything I could improve on?

[He waits a moment before gesturing to the cupcake, just in case she had any other ideas...]