Hey Peter, no worries, if you can make it, then just let me know. My son is your age, I'll try to get him to come along, but no promises, he doesn't ride much these days.
Tell your parents that this is not a "party festival", though there may be some folks who drink a couple beers, there will also be families with young children. I don't drink or party, I just ride unis
If your parents want to talk to me, they can call any time:
Send me a PM and I'll reply with a phone number.
Ben