def default_state():
    state = dict(user_action=[],
                 system_action=[],
                 belief_state={},
                 request_state={},
                 terminated=False,
                 history=[])
    state['belief_state'] = {
        "cinema": {
            "book": {
                "task": "",
                "date": "",
                "hour": "",
                "seat": "",
                "row": "",
                "movie": ""
            },
            "semi": {
                "name": "",
                "e-mail": "",
                "price": 0,
                "quantity": 0,
                "tickettype": ""
            }
        }
    }
    return state