Abstract: An example method for generation of travel-booking user interfaces, the method including receiving, by a computing system, a user interface request to present to a user a travel-booking user interface that indicates one or more available voyages from an originating location to a destination location, determining, by the computing system and for each respective voyage of the one or more available voyages, a user-specific incentive for the respective voyage that is based at least in part on applicable healthcare skills of the user and health metrics of passengers that are already booked for the respective voyage, wherein the applicable healthcare skills include healthcare skills that are applicable to an in-voyage medical emergency, and generating, by the computing system and based on the user interface request, the travel-booking user interface based on the determined user-specific incentive.