Managing your Spirit Airlines booking, Manage Booking is a simple process. Go to the Manage Booking or My Trips section of the Spirit Airlines official website. To access your itinerary, enter your booking information, your last name and confirmation code. You can then change your flight, seats, or other travel preferences. If you require further assistance, please contact Spirit Airlines Manage Booking at 1 (855) 728-3555 or 1-844-902-4930 (OTA-Skip Waiting). visit the blog by Airlines Pet Policy at the mentioned link for more information.