Here are 4 simple things to talk about with a girl to keep the conversation going:
Talk About Your Day.
Talk About Yourself.
Talk About Her.
Ask The Right Questions.
How do you talk to a girl if your shy?
Embrace your shyness when you speak to her. Instead get out in front of yournervousness by addressing it in conversation. Say something like, “I'm always so nervous when I meet new people!” If you want to compliment her you could say, “I can't help but be a bit nervous when I'm talking to such a pretty girl.”