Welcome to Dreamviews, Exoblivione.

I recommend you take a look at this Beginner's Guide to Lucid Dreaming to get started. It will get you on your way to achieving lucidity. In order to stay lucid in your dreams longer, you have to stabilize the dream. Here's another tutorial on how to do that.

As far as flying goes, look at my signature for a link to a flying tutorial. The main thing when it comes to dream control it confidence and believing it will happen. Good luck! If you have any questions, just ask.