Will I be asked to give you more information as passport number? In cases of international travel, we may ask for passport information after the booking is complete. Was this article helpful? Can't find what you're looking for? Inquiry Form Related articles I have made a mistake in passenger's passport information. I don't have a passport, can I make a reservation? What do I need to check in for my flight? How do I update my passport information in my DeNA TRAVEL MY BOOKING? What if the name/gender on my flight reservation is misspelled?