json_schema: {
    "properties": {
      "check_in_date": {
        "description": "The check-in date",
        "format": "date",
        "type": "string"
      },
      "check_out_date": {
        "description": "The check-out date",
        "format": "date",
        "type": "string"
      },
      "location": {
        "description": "The location to search for hotels",
        "type": "string"
      },
      "price_range": {
        "description": "The price range of the hotels",
        "enum": [
          "$",
          "$$",
          "$$$",
          "$$$$"
        ],
        "type": "string"
      }
    },
    "required": [
      "location",
      "check_in_date",
      "check_out_date"
    ],
    "type": "object"
  }