i am planning a trip in cambridge i would like a train from london liverpool street on sunday i need to leave after 09:45 .
alright , how can i help you today ? what time would you like to leave and and or arrive by ?
{'service': 'train', 'act': 'inform', 'slot_name': 'ticket', 'value': '13:39 pounds'} {'service': 'train', 'act': 'inform', 'slot_name': 'id', 'value': 'tr3197'} {'service': 'train', 'act': 'inform', 'slot_name': 'leave', 'value': '19:39'}
tr3197 leaves atb19:39 and costs 13:39 pounds . is that fine with you ?