Ticket Cancellation
* Class Y-H:   a fees of 5% will be deducted
* Class K-G:   a fees of 10% will be deducted
* Class V-Z:   a fees of 30% will be deducted

Ticket Change
*Class Y-H:  Any change is subject to the availability of the same class, upgrading subject to payment of fare difference.
*Class K-G:  Any change is subject to the availability of the same class, free for the first change and 10% surcharge for the second change, upgrading subject to payment of fare difference
*Class V-Z:  Any change is subject to the availability of the same class and 20% surcharge, upgrading subject to payment of fare differenc