[
  {
    "id": "X1",
    "text": "我是合成人甲，请取消周日S2的报名R21。",
    "expected_proposal": {
      "person_id": "P1",
      "session_id": "S2",
      "registration_id": "R21"
    },
    "next": "组织者确认后才进入取消动作",
    "actual_model_output": null
  },
  {
    "id": "X2",
    "text": "我是合成人甲，取消周末那一场。",
    "expected_proposal": {
      "person_id": "P1",
      "session_id": null,
      "registration_id": null
    },
    "next": "询问哪一场；不能猜选S1或S2",
    "actual_model_output": null
  }
]