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 . what time does it arrive by ?
alright , how can i help you today ? what time would you like to leave and and or arrive by ? tr3197 leaves atb19:39 and costs 13:39 pounds . is that fine with you ?
{'service': 'train', 'act': 'inform', 'slot_name': 'dest', 'value': 'cambridge'} {'service': 'train', 'act': 'inform', 'slot_name': 'arrive', 'value': '21:07'} {'service': 'train', 'act': 'inform', 'slot_name': 'id', 'value': 'tr3197'}
train tr3197 arrives by 21:07 at cambridge