https://pressbooks.pub/alloverseasexpertise/chapter/%e3%80%90%f0%9d%9f%ae%f0%9d%9f%b0-h%f0%9d%97%bc%f0%9d%98%82%f0%9d%97%bf-r%f0%9d%97%b2fun%f0%9d%97%b1%e3%80%91how-to-check-if-a-qatar-flight-is-refundable/