@Faith117 if you want to be a guest, I would suggest filling out your profile on Airbnb and getting it verified with ID. Right now, your profile is blank. Then, start looking at places in the area that you're interested in staying, filtering for properties that would fit your group size. Carefully read the descriptions and the rules to make sure they will work for you and you can comply. Then, when you have chosen a place, go ahead and contact the host. I think your message here is a great starting place: be honest about your group and what you're visiting for. Also tell the host why you specifically want to choose their property: don't just send the same generic message to every host. It may take a few attempts to find a host who is willing to host you. Many hosts are afraid to host larger groups, particularly of young people, due to the party potential, but perhaps you will find someone willing.
Good luck, and I hope you have a good trip.