Just select yes (you should hit on them) or no (you shouldn't) be careful to choose carefully.
Tip Number 1
Always be closing! If you are not getting a number, making progress, making out with her or getting a cab home with the girl home what is the point. Progress is the key to success.
Tip Number 2
Sometimes it is necessary to be a wingman, sorry your friends would do it for you.
Tip Number 3
Eye contact is essential if you never look at her she will move on. You have to at least pretend you are interested.