[
  {
    "customerId": "C001",
    "name": "田中 花子",
    "email": "hanako.tanaka@example.com",
    "cancelTendency": "high",
    "cancelTendencyReason": "雨天キャンセル傾向",
    "reservations": ["R001", "R003"]
  },
  {
    "customerId": "C002",
    "name": "山田 太郎",
    "email": "taro.yamada@example.com",
    "cancelTendency": "high",
    "cancelTendencyReason": "雨天キャンセル傾向",
    "reservations": ["R002"]
  },
  {
    "customerId": "C003",
    "name": "鈴木 一郎",
    "email": "ichiro.suzuki@example.com",
    "cancelTendency": "high",
    "cancelTendencyReason": "雨天キャンセル傾向",
    "reservations": ["R004"]
  },
  {
    "customerId": "C004",
    "name": "佐藤 美咲",
    "email": "misaki.sato@example.com",
    "cancelTendency": "high",
    "cancelTendencyReason": "雨天キャンセル傾向",
    "reservations": ["R005"]
  },
  {
    "customerId": "C005",
    "name": "伊藤 健",
    "email": "ken.ito@example.com",
    "cancelTendency": "high",
    "cancelTendencyReason": "雨天キャンセル傾向",
    "reservations": ["R006"]
  }
]