After purchasing tickets online, you can return them online only, by login to your account. All conditions of ticket return are indicated in the purchase contract.
You have to print ticket by yourself. You can print it right after purchase or you can do it later - login to your account and choose which ticket you want print.
You can use link "Forgot password?" that you can find in login form (top of the page).
You can find purchase contract every time you buy your ticket - in the "Payment" step, right next to "Purchase" button.
If you want to change time and date of your trip please write as an email email@example.com and we will change it for you.