Give him a moment to put the name to the face because he has a horrible memory when it comes to names or maybe he just refused to remember anyone he might never see again. Still, his face is warm and inviting just as it was the night of that carnival.

His face immediately betrays him in surprise, "Yes, it seems I am but so are you." Which implied quite heavily that whatever he had done he had either incurred debt or he had been there to stay for the long run in the first place.