JUST BE GENUINE , TELL HER YOUR FEELINGS AND DONT BE SHY, SHOW CONFIDENCE..
It sort of tells the girl that you like her back.
if a girl knows you like her, chances are she will flirt back. if she doesnt flirt back...move on, she isn't interested!
find out if they like you back
what is your name?
talk to her.
Talk to her.
Flirt with her and if she shows interest by flirting back and such then ask her out.
Only if you like her back and you like to be with her.....
Ask her out
bug off
you just hope they like you back
Take her out on a date.