i am looking for information in cambridge . i need a train leaving cambridge on wednesday after 16:45 .
what type of information ?
{'service': 'general', 'act': 'greet', 'slot_name': 'none', 'value': 'none'} {'service': 'train', 'act': 'request', 'slot_name': 'depart', 'value': '?'}
sure , i can help you with that . where would you like to leave from ?