TEHRAN , Iran ( AP ) - American journalist Roxana Saberi said Tuesday she is very happy to be free and reunited with her parents and thanked those who helped win her release from an Iranian prison , where she was held for four months on charges of spying for the U.S. Speaking to reporters in Tehran for the first time since her release Monday , a smiling Saberi said she did not have any specific plans but wanted to spend time with her family .