US Patent 11907309 Expandable service architecture with configurable dialogue manager

Methods, systems, and computer programs are presented for facilitating user engagement with a bot. One example method includes receiving user input indicative of a user activity. Responsive to the user input, a first server accesses a sequence specification for implementing the user activity. The sequence specification comprises a sequence of interactions with a plurality of service servers. The first server executes the sequence specification by invoking the plurality of service servers to provide services to implement the user activity in accordance with the sequence of interactions specified by the sequence specification.