The document describes how ContosoAir is building a more innovative flight booking app using Microsoft technologies. It discusses 5 areas of improvement:
1. Using Azure serverless architecture and Cosmos DB to improve global performance.
2. Enabling real-time notifications and personalization using Functions and Cosmos DB.
3. Applying machine learning to Cosmos DB data to intelligently predict and notify customers of flight delays.
4. Triggering real-time notifications through Functions in event-driven scenarios like gate changes.
5. Automating customer service with bots and gaining insights from feedback via cognitive services APIs.