https://www.enworld.org/threads/%E2%84%82%F0%9D%94%B8%F0%9D%95%9F%F0%9D%95%94%F0%9D%95%96%F0%9D%95%9D-%F0%9D%95%9D%F0%9D%95%92%F0%9D%95%8B%F0%9D%95%9A%F0%9D%95%A0%F0%9D%95%9F-%E2%84%9D%F0%9D%95%A6%F0%9D%95%9D%F0%9D%95%96-what-is-the-cancellation-policy-of-singapore-airlines.710371/