Passengers from Washington can easily book their flight ticket with Delta airline easily. The process of booking online tickets is very easy and safe. You just go to the official website of delta airlines and then click on the booking option.then fill your traveling details like name, age, date of traveling,boarding etc.. and submit it. You should enter the mail id and phone no. for receiving any updates about your flight. The payment method for flight booking is also very safe.After completing the payment process you will get a confirmation email or SMS related to your delta airlines tickets.Confirm your flight tickets and collect e-ticket to get Delta airlines boarding pass in future. If you need any kind of booking assistance at any point then you can call on Delta Airlines contact number +1-855-653-0296 anytime. The customer support executive will help you.