hi there , i am looking for a train going to cambridge , and departing from london liverpool street . can you book me 1 ?
{'service': 'general', 'act': 'greet', 'slot_name': 'none', 'value': 'none'} {'service': 'train', 'act': 'request', 'slot_name': 'day', 'value': '?'}
absolutely . can you please tell me what day you would like the booking to be made for ?