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 completed. Was this article helpful? Can't find what you're looking for? Inquiry Form Related articles I have made a mistake in my passport information. I have made a mistake in my contact information. How do I update my passport information in my DeNA TRAVEL MY BOOKING? How much baggage is included in my reservation? How do I find my airline reservation number?