He chuckles. There is no way for him to tell if she's being sincere or not, but their conversation was a welcome diversion nonetheless.

"Well, as pleasant as this chat was, I think I've had quite enough of this desert. I shall take my leave of you."

He offers her a small bow, one hand on his chest and the other on his back. Surprisingly formal, perhaps - in-character for him though. Unless she has any parting words to say, a dark portal will open up and whisk him away.