That last one is brilliant, makes me laugh every time.
Some other good ones are
Alice: I have a bad record with liking guys.
Hatter: There's a shock.
Do I need a reason to help a girl in a very wet dress? - Hatter
Look at me. I wouldn't let you do it if I didn't think you'd be ok - Hatter
Alice: Who are you?
Hatter: A friend, I hope.
Alice: What will I do if I get stuck here?
Hatter: Then I'll make sure you're ok. I think your luck is finally changing.
Sorry, got a bit carried away, I just love them so much! I really want to make a vid of them but I'm not sure what song to use.