Abstract: The subject matter of this specification can be embodied in, among other things, a process that includes selecting accommodations during a travel reservation is described. The method includes receiving, at a software application that manages travel reservations, input that customizes configurable attributes of software travel objects representing accommodations used in transportation of passengers. The method also includes receiving criteria from a customer specifying preferences that affect a passenger's experience during travel, ranking the received criteria so that one or more criterion are preferred, selecting one or more of the accommodations using an optimization function to compare the ranked criteria to the customized configurable attributes, and outputting the selected one or more accommodations for use by the customer in selecting a first accommodation for the passenger.

Abstract: The subject matter of this specification can be embodied in, among other things, a process that includes selecting accommodations during a travel reservation is described. The method includes receiving, at a software application that manages travel reservations, input that customizes configurable attributes of software travel objects representing accommodations used in transportation of passengers. The method also includes receiving criteria from a customer specifying preferences that affect a passenger's experience during travel, ranking the received criteria so that one or more criterion are preferred, selecting one or more of the accommodations using an optimization function to compare the ranked criteria to the customized configurable attributes, and outputting the selected one or more accommodations for use by the customer in selecting a first accommodation for the passenger.

Abstract: The subject matter of this specification can be embodied in, among other things, a process that includes defining software travel objects that are configurable to represent a variety of types of accommodations used in transportation of passengers, associating the software travel objects with configurable properties that specify accommodation attributes that affect a passenger's experience during travel, and receiving, through a user interface, information used to customize the configurable properties during run-time of a software application that manages travel reservations for accommodations. The process also includes outputting the customized configurable properties for use by a user in a selection of one or more of the accommodations during a travel reservation.

Abstract: The subject matter of this specification can be embodied in, among other things, a process that includes receiving digital accommodation criteria for an accommodation assignment requested for a passenger and accessing accommodation properties that specify characteristics of accommodations offered on a travel conveyance. A first portion of the accommodation properties are base properties and a second portion of the accommodation properties are derivation properties derived from the base properties during execution of a software program configured to access the accommodation properties. The process also includes assigning weights to the accommodation properties based on a comparison between the accommodation properties and the received accommodation criteria.

Abstract: The subject matter of this specification can be embodied in, among other things, a process that includes receiving digital accommodation criteria for an accommodation assignment requested for a passenger and accessing accommodation properties that specify characteristics of accommodations offered on a travel conveyance. A first portion of the accommodation properties are base properties and a second portion of the accommodation properties are derivation properties derived from the base properties during execution of a software program configured to access the accommodation properties. The process also includes assigning weights to the accommodation properties based on a comparison between the accommodation properties and the received accommodation criteria.

Abstract: The subject matter of this specification can be embodied in, among other things, a process that includes defining software travel objects that are configurable to represent a variety of types of accommodations used in transportation of passengers, associating the software travel objects with configurable properties that specify accommodation attributes that affect a passenger's experience during travel, and receiving, through a user interface, information used to customize the configurable properties during run-time of a software application that manages travel reservations for accommodations. The process also includes outputting the customized configurable properties for use by a user in a selection of one or more of the accommodations during a travel reservation.