It's hard to know how to deal with something like this when you've never encountered it before.
First off, remember your core values and what you feel comfortable with. If anyone ever makes you feel uncomfortable, then step away from that situation.
Many people harmlessly flirt....sometimes its a way to break the ice. As long as it's done in good taste, have a little fun with it!
If you find yourself wanting to get to know someone more but are afraid to go on a "date", see if you can gather some people together and all go out to eat, bowling, movies, whatever, together! There is less stress when you don't have to concentrate on just one individual
Most importantly, go at your own pace that you feel comfortable with. Don't ever let anyone push you to do something that doesn't feel right to you. Hope you can have some fun!
Hugss
J