Do you know how American Advantage works?

I'm talking about flying benefits you get when you fly AA. You get miles and points for flying on AA, and then use those miles to travel again. I would get on the phone to speak to a representative, but they keep you on hold for along time, so I thought I would ask here. If I have 8500 miles collected, how can I use them for another trip?

Do you know how American Advantage works?
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