A revenue management system for a travel provider, such as airline, a car rental agency, a cruise line, a lodging provider; a travel agency; a bus line or a passenger rail service provider. The revenue management system comprises a database for storing revenue, product and service, and customer information; a logical data model comprising a plurality of entities and relationships defining the manner in which the revenue, product and service, and customer information is stored and organized within the database; and a revenue management application for analyzing the revenue, product and service, and customer information contained within the database to manage inventory, pricing and demand forecasting for the travel provider. Analysis of Passenger Name Record (PNR), booking, ticketing, inventory, schedule, authorization adjustment and flown/ticket lift data maintained within the database enables a travel provider to identify fraudulent and improper booking and ticketing activity, or an airline to determine optimal passenger and revenue mix for airline flights.