curl --request DELETE \
  --url https://api.spikelabs.com/v1/conversations/{conversation_id} \
  --header 'Authorization: Bearer <token>'

{
  "id": "conv_abc123",
  "object": "conversation",
  "personality_id": "<string>",
  "status": "connecting",
  "created_at": "2023-11-07T05:31:56Z",
  "user_id": "<string>",
  "mode": "voice",
  "room_url": "<string>",
  "room_token": "<string>",
  "duration": 123,
  "transcript": [
    {
      "role": "user",
      "content": "<string>",
      "timestamp": 123
    }
  ],
  "ended_at": "2023-11-07T05:31:56Z"
}