Ticket reservation and sales through the websites of  travel agencies and airlines, and other travel services.

Sirena-Travel GDS contains 100% recources of all russian airlines and most airlines of CIS states, e.g. Aeroflot, Transaero, Russia Airline, UTair, Aerosvit, Ukraine Airline, Air Astana, Ukraine Internation etc. The distribution of the following foreign airlines from Sirena-Travel terminals was organized in association with Travelport: British Airways, Lufthansa, Iberia, Etihad, China Eastern Airlines, Cathay Pacific Airways, Vietnam Airlines, Japan Airlines etc. The established inter-system cooperation and distribution agreement signed with AccessRail (IT services provider for german railway company Deutsche Bahn), enabled booking combined air and rail transportation. Besides, tickets for Aeroexpress shuttles can be issued at Sirena-Travel terminals.  Sirena-Travel operates Premiere AS, a subsystem used for booking tickets for sports and entertainment events. Over 1045 hotels in more than 215 towns of Russian Federation became available for reservation with Sirena Travel thanks to its integration with the web resource of Vitus Bering, a global hotel market in Russia.