Hello, My husband, a friend and I are travelling to Cuzco, Peru in March. It looks like AA/LAN are our best choices for airlines. We would like to buy a business class ticket, particularly for MIA-LIM-MIA. The cost is ok, about $1500 for MIA-LIM-MIA. There is no class other than economy for our flight to MIA or from LIM-CUZ. When I try to book a Biz ticket on AA website, it quotes me over $3500 for the entire trip. I could put together various single tickets including the Biz route and save $1000 but isn't it smart to have your tickets/itinerary linked? What is the trick to booking this ticket? Thanks