haha we're getting down to desperate points here. the girl would reply "uhm okay" or "HAHAHAH" or "yeah duh"
it definetly wouldnt be "oh thank you for showing that you want me! here, put your hands on my breasts!!"
no one line will turn a friend into a lover. its a beahvior thing, over time etc. theres a million and a half threads on it.