First off! welcome to CVA William. I suggest you read this here
http://canadianva.com/info/CVA_%20members_%20handbook.pdfGet yourself setup with Kacars. (download this from your Pilot Center CVA web site /download section.) then pick your flight from the schedual (again Pilot Center).
When you are all setup go to Vatsim
http://www.vatsim.net/and signup to get a ID and password so you can logon to the servers and fly online.
then should you need more info just ask.