There are a lot of flight schools in the USA, many in Florida and Arizona. Some schools specialize in training foreign flight students. Just saying there can be additional considerations to streamline the process. Do some more research, see if one is right for you.
you can start reading books, watching videos and playing pilot-test apps before you come to america, that will save you a lot of trouble and help you decide what you really want. learn to fly could be done in just 2 hours, becoming a pilot takes forever. You can get private pilot training material from sportys' . just to help you get started.