Question: when asking a girl out what to say?
Answer: Pass a note. Remember the good ol' days of “Do you want to go out with me? ... 
Call her. Nothing fancy here. ... 
Buy tickets. If you both love the same band, order tickets for the next local concert. ... 
Say it with flowers. ... 
Or say it with pizza. ... 
Bring her a coffee. ... 
Sing it. ... 
Let your dog do it for you.