{
  "fixtures": [
    {
      "match": { "userMessage": "plan a trip", "sequenceIndex": 0 },
      "response": {
        "content": "I'll help plan your trip. Let me look up some options."
      }
    },
    {
      "match": { "userMessage": "plan a trip", "sequenceIndex": 1 },
      "response": {
        "toolCalls": [
          {
            "name": "search_flights",
            "arguments": { "origin": "SFO", "dest": "NRT" }
          }
        ]
      }
    },
    {
      "match": { "userMessage": "plan a trip", "sequenceIndex": 2 },
      "response": {
        "content": "I found 3 flights from SFO to Tokyo Narita. The best option is..."
      }
    }
  ]
}