Delta Airlines is a well-known airline that operates flights all over the world. For people who need to book flights, Delta Airlines has an 832-645-0001 number that they can use to do so. The 832-645-0001 number is for Booking reservations and is a toll-free number. When calling the 832-645-0001 number, you will be asked for your name, flight number, and the date of your reservation. You will also be asked for your confirmation number. After you have called the 832-645-0001 number, you will need to have the following information in order to make your reservation: your airline ticket, your passport information, and your credit card information.