version: "3.1"
nlu:
- intent: intent_name
  examples: |
    - how much CO2 will that use?
    - how much carbon will a one way flight from [new york]{"entity": "city", "role": "from"} to california produce?

stories:
- story: simple_story_with_only_start
  steps:
  - checkpoint: check_greet
  - intent: simple
  - action: utter_default

- rule: Say 'I am a bot' anytime the user challenges
  steps:
  - intent: bot_challenge
  - action: utter_iamabot

responses:
  chitchat/ask_name:
  - image: "https://i.imgur.com/zTvA58i.jpeg"
    text: hello, my name is retrieval bot.
  - text: Oh yeah, I am called the retrieval bot.