i need to catch a train out of cambridge after 15:45 . i would like to go to stevenage . i need to leave on monday . can you book me for 4 people and can i get the reference number ?
could you provide me with your destination ? what day do you need the train ?
{'service': 'train', 'act': 'inform', 'slot_name': 'id', 'value': 'tr0254'} {'service': 'train', 'act': 'inform', 'slot_name': 'leave', 'value': '17:21'} {'service': 'train', 'act': 'inform', 'slot_name': 'depart', 'value': 'cambridge'} {'service': 'train', 'act': 'offerbooked', 'slot_name': 'ref', 'value': '5k1emdss'} {'service': 'train', 'act': 'offerbooked', 'slot_name': 'ticket', 'value': '51.2 gbp'}
tr0254 leaves cambridge at 17:21 . the booking was successful , the total fee is 51.2 gbp payable at the station . reference number is : 5k1emdss .