AlphaFemale.

My situation is i have a co worker she is already into my mones sometimes but a few minutes only or second this girl is gorgeous of course but the point is she is alpha female among i met and workmate sometimes i dont say hi i just ignore her totally she doing to me also sometimes i caught her looking at me. what should i do mates?
How to get rid of this?
I hope you understand me im sorry i dunno how to explain this