You can book an American Airlines Group Travel for 10 or more people flying together. The airline offers special group fares. A large convention or smaller meeting, AA group trip meets your requirements. AA group and meeting rates are available for any American Airlines or Oneworld destination, any cabin class, & 1 or more departure airports. Get 1 free name change per ticket and flexible ticketing with it.
https://www.americanflyfare.com/blog/american-airlines-group-travel/