How can I update my contact information? Contact information can be updated from "Contact Info" button on the MY BOOKING page. Was this article helpful? Can't find what you're looking for? Inquiry Form Related articles What if the name/gender on my flight reservation is misspelled? How do I update my passport information in my DeNA TRAVEL MY BOOKING? I have made a mistake in passenger's passport information. What should i do if I made a change/refund with the airline directly? How do I check my itinerary on Jetstar website?