You can find the instructions here: Module 4: Train Alexa Conversations to collect information.
When you're ready, check out Module 5: Keep track of the conversation with context carry-over.
The interaction model for the skill. It includes the slot types necessary for your skill. Before to import this first before you attempt to build out the Alexa Conversations components.
The backend data for the skill. This JSON file will serve as the database for your skill.
This is the main executable for the skill.