https://central.xero.com/s/question/0D58V00009Qbxv2SAB/whats-the-difference-between-business-class-and-first-class-on-american-%F0%9D%94%B8%F0%9D%95%9A%F0%9D%95%A3https://central.xero.com/s/question/0D58V00009Qbxv2SAB/whats-the-difference-between-business-class-and-first-class-on-american-%F0%9D%94%B8%F0%9D%95%9A%F0%9D%95%A3