How To Change Name On Lufthansa Airlines use their phone number or website to get in touch with customer support if you want to change your name on a Lufthansa reservation. Please supply your booking reference and any required paperwork, such a marriage license or official name change documents. Be advised that depending on the type of ticket, name changes may incur a cost. Verify that your revised information is accurately reflected in your reservation after the modification has been processed. To prevent any problems at the airport, it's best to make these modifications well in advance of your journey.