I am trying to find flights using a classic award from Cancun to Buenos Aires. They are available for 36,000 points but you have to connect through either New York or Miami. My question is if I wanted to stay in New York or Miami for 1 week and then fly to Buenos Aires can I do that without having to book a multicity that would cost extra points?? This is assuming there are available classic award flights on the day I would like to leave either New York or Miami. I'm guess this would have to be done via the telephone? Thanks