relationship help

so i recently got dumped on thursday by my now ex girlfriend. and it was an internet relationship and i need help with how i can be able to talk to another girl at college and hopefully get along with her and get her to like me. i've not really had a proper irl relationship and with my ex i trusted her a lot with my past stuff so i have no one else to talk about it with, help? how do i get the courage to hopefully find another girl and get close with her, also need to know if shes into girls