{
    "user_act":[

    ],
    "system_act":[

    ],
    "belief_state":{
        "payment":{
            "type":"",
            "amount":"",
            "loyalty_card":""
        },
        "delivery":{
            "type":"",
            "address":"",
            "time":""
        },
        "product":{
            "name":"",
            "type":"",
            "brand":"",
            "price_range":"",
            "price":"",
            "quantity":"",
            "quality":""
        }
    },
    "request_state":{
        
    },
    "terminated":false,
    "history":[

    ]
}