def default_state():
    state = dict(user_action=[],
                 system_action=[],
                 belief_state={},
                 request_state={},
                 terminated=False,
                 history=[])
    state['belief_state'] = {
        "cinema": {
            "book": {
                "title": "",
                "date": "",
                "time": "",
                "quantity": "",
                "seats": "",
                "area": "",
                "interval": "",
            },
            "semi": {
                "goal": ""
            }
        },
        
    }
    return state