You can also request for refund in Korean air by calling their customer service team. There agent will connect with you and solve your any problem as soon as possible. you can also request for refund by email them on or by doing a live chats with their teams. It is the simplest and fastest way to connect with them make sure you should know about Korean air cancellation policy. If you have any query related to these points feel free to connect with their customer team. There agents will connect with you and solve your query as soon as possible and they available 24/7. https://www.flightzticket.com/korean-air-cancellation-policy