hi , i need to get in from king s lynn to cambridge i am looking to leave friday after 21:15 , if you could book me a reservation for that time period that would be great .
there are 133 trains making that trip , do you have a day and time you want to travel ?
{'service': 'train', 'act': 'inform', 'slot_name': 'leave', 'value': '22:11'} {'service': 'train', 'act': 'inform', 'slot_name': 'id', 'value': 'tr0672'} {'service': 'train', 'act': 'request', 'slot_name': 'people', 'value': '?'}
tr0672 departs at 22:11 . can you tell me how many tickets you need ?