The details in the screenshots below (such as boarding date, train name, departure/arrival time, etc.) are examples for reference.
How to Change or Cancel Reservation
![Select "My Trips" from the menu.](/en/common/images/reservation/guide/cancel/howto_change/howto_change_smart_01.png)
Tap "My Trips" from the menu.
![Tap "Change"or "Refund" for the reservation that you want to change or cancel.](/en/common/images/reservation/guide/cancel/howto_change/howto_change_smart_02.png)
Tap "Change" or "Refund" for the reservation that you want to change or cancel.