i need a taxi to take me to fitzbillies restaurant from kings lynn train station .
i would be happy to book that for you , where do you need picked up from ?
{'service': 'taxi', 'act': 'request', 'slot_name': 'leave', 'value': '?'} {'service': 'taxi', 'act': 'request', 'slot_name': 'arrive', 'value': '?'}
ok , and what time will you need to arrive and leave ?