You have a multi-step AI workflow that uses a aws video

Full Certification Question

You have a multi-step AI workflow that uses a foundation model to generate personalized travel itineraries. Each itinerary requires the model to gather flight data from Amazon S3, query real-time pricing through an Amazon RDS database, and then compose a final response. You need an orchestration layer that can hand off tasks between these steps automatically. Which AWS feature would best manage this multi-step process?