if (message && message.type === 'assistant-request') {
    res.status(200).send(GetTransientVoiceAssistant());      
}
...  
function GetTransientVoiceAssistant() {
  return {
    "assistant": {
      "name": "Car Recommender Mike"
      ...
    },
    "squad": {
      "members": [
        {
          "assistant": {
            "name": "Car Recommender Mike"
            ...
          },
          "assistantDestinations": [
            {
              "type": "assistant",
              "assistantName": "[booking assistant X]",
              "message": "Please hold on while I transfer you to our appointment booking assistant X.",
              "description": "Transfer the user to appointment booking assistant X."
            },
            {
              "type": "assistant",
              "assistantName": "[car finance specialist Y]",
              "message": "Please hold on while I transfer you to our car finance specialist Y.",
              "description": "Transfer the user to car finance specialist Y."
            }
          ]
        },
        {
          "assistantId": "[car finance specialist Y ID]",
          "assistantDestinations": [
            {
              "type": "assistant",
              "assistantName": "[booking assistant X]",
              "message": "Please hold on while I transfer you to our appointment booking assistant X.",
              "description": "Transfer the user to appointment booking assistant X."
            }
          ]
        },
        {
          "assistantId": "[booking assistant X ID]"
        }        
      ]
    }
  };
}