Facebook can now also be used to book airline tickets. American Airlines, Delta Air Lines Inc., pioneered the service which was launched on Thursday (8/12/2010) local time.

This is the first service flight bookings via Facebook though nearly all the airlines in there using social networking to promote their services. Booking is done through a special application that can be accessed through Facebook with a “Ticket Window”.

Not only on Facebook, Delta plans to expand the window of the ticket reservation service to other sites. Delta also develop banner ads that can be used as the entrance to reserve tickets direct flights to various destinations.

Previously, airlines in the U.S. a greater like Jet Blue and Southwest’s first use social media like Facebook and Twitter to reach consumers. In fact, both companies appoint a special staff to promote products and brand companies and managing complaints.

However, Atlanta-based Delta is more aggressive, even preparing a special iPhone application for booking plane tickets. Through these applications and services, prospective customers can check flight schedules, check on order status, and adjust the flight plan before making a booking.