leslie roy , 52 , and lee wright , 56 , had been visiting relatives in michigan when on april 11 their ford explorer got trapped in snow on remote road .
suv lost power and they had no cell phone service to call for help .
roy and wright wore layers of clothes to stay warm as overnight temperatures fell to the 20s .
survived by rationing eight boxes of girl scout cookies , a bag of cheese puffs and melted snow .
helicopter pilot noticed a reflection off the ford explorer friday and rescued the trapped women .