https://us.community.sony.com/s/question/0D5Dp00002AR3L9KAL/m%CF%83%C9%B3%D2%BD%E1%83%A7b%CE%B1%C6%88%C6%99%CA%80%D6%85%C7%9F%C9%96%CA%8D%C7%9F%D6%84-18667380729how-to-get-full-refund-from-turkish-airlines-turkishsteps?language=en_US