You can manage your entire booking before your scheduled departure using your booking number. You can still update all of your information once you're logged into your Managed Bookings account. You can manage bookings through Lufthansa in a very simple way:
Change or cancel the flight.
In case of special dishes.
Book a hotel or rent a car.
Print the spreadsheet.
Update contact information.
You can then complete the entire process online within 24 hours of your scheduled departure. If you want to , follow these steps:
1. Visit the official website of Lufthansa.
2. Now click on the Manage Booking section.
3. Enter the Last Name Booking Number in the given field.
4. After that click on submit tab.
5. Now click on the fix you want to manage, then follow the on-screen instructions to complete the fix.