Can I cancel a non refundable flight?

Related questions

1. How much does it cost to change flight Singapore Airlines?
2. What items are forbidden in hand luggage?
3. Is alcohol included on Singapore Airlines?
4. Is laptop weight included in cabin baggage Singapore Airlines?
5. Does Singapore Airlines serve food?
6. Does Airbus a380 have wifi?
7. What's the difference between economy and premium economy on Singapore Airlines?
8. How many countries does Singapore Airlines fly to?
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10. Can we change flight date?

Tags

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2. #without
3. #requires
4. #ticket
5. #cancellation
6. #within
7. #booking
8. #flight
9. #united
10. #booked
11. #ahead
12. #entitled
13. #states
14. #reservation
15. #cancel
16. #department
17. #hours
18. #seven
19. #transportation
20. #change
21. #refundable
22. #paying