"I thank you kindly. Give my best to Lady Door and Lord Ostium." He'll save referring to him as Tom Riddle for when it's just the two of them.

"If you ever need me, just use the rat." If she can't figure it out, he's certain Door will help her but really, all she need do is call on him while holding it. "And one more time: have a very happy birthday." When occasions for happy wishes come so few and far between, one ought to take advantage of them. An icing rose sounds utterly decadent, terribly sweet, and... he thinks he'll help himself to one before heading back through the hedge maze.