[ He knows who she is, naturally, but his particular talents make it hard for Servants to conceal their true identities from him. But still! He much prefers when they introduce themselves first. It makes it less awkward in case they're the private sort that doesn't want their identities so known... He imagines he'll have a habit of letting that slip for lack of caring, after all! ]

Well, thank you! To be welcomed by La Pucelle herself is quite the honor.

[ Which is definitely a hint that he might have already known, but! He does seem genuinely pleased, and even dips into a gentlemanly bow, though it's brief. The gesture is one more of manners that he knows to practice rather than a genuine politeness. Or perhaps it's a pretense, since he adds on once he straightens: ]

My, and you're quite the beauty! It makes it all the more a wonderful welcome.