curl --request POST \
  --url https://api.veryfront.com/conversations/{conversation_id}/input-requests/{input_request_id}/cancel \
  --header 'Authorization: Bearer <token>'

{
  "input_request": {
    "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "conversation_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "run_id": "<string>",
    "tool_call_id": "<string>",
    "kind": "form",
    "status": "open",
    "requested_responder_type": "human",
    "title": "<string>",
    "description": "<string>",
    "fields": [
      {}
    ],
    "recommendations": {},
    "metadata": {},
    "created_at": "<string>",
    "expires_at": "<string>",
    "submitted_at": "<string>",
    "cancelled_at": "<string>",
    "expired_at": "<string>",
    "latest_response": {
      "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "input_request_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "conversation_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "run_id": "<string>",
      "actor_type": "human",
      "actor_id": "<string>",
      "values": {},
      "created_at": "<string>"
    }
  }
}