How can I make an inquiry to DeNA TRAVEL? DeNA TRAVEL Thailand Customer Center(02)104 0734Business hours: Monday to Friday 8:00 AM - 5:00 PM (TH Bangkok Time)(available only in English) You can also contact us via the Inquiry Form. Was this article helpful? Can't find what you're looking for? Inquiry Form Related articles How do I access and print my e-ticket? How do I find my airline reservation number? I have made a mistake in my contact information. What should i do if I made a change/refund with the airline directly? Can I change my flight?