hi I'm yunjeong.
I did wrong reservation 3 times.
1. Luzern --> interlaken ost
I bought wrong ticket . Luzern --> interlaken ostvia bruning it is half fare ticket but, I don't have.
so I want cancle my ticket. order number is 427408557 and 427409175. (I bought right ticket again. reservation number is 427477210)
2.interlaken ost --> basel sbb
I select wrong date. I want to go interlaken ost to basel on AUG 1st at12:00 -->14:04
could you change my ticket time?
the order number is 427525133