Harry watched as Alice seemed to ponder the situation. He wasn't too worried about sneaking around once he got the lay of the land. He just needed help until then.
"That'd be brilliant."
He was happy. It would be nice to fit in and make some friends until he and Dumbledore could figure out a way to get him back.
However, that would cause some questions.
"Frank?" It wasn't like people gossiping or being nosey was rare. "Is he...a friend of yours?" he inquired.