i am looking for a train to peterborough . i am looking to go from cambridge to peterborough and leave after 14:15 i'll be traveling on tuesday .
ok , and what day and time are you looking for ? there are 133 trains making that trip , do you have a day you prefer ?
{'service': 'train', 'act': 'inform', 'slot_name': 'leave', 'value': '14:34'} {'service': 'train', 'act': 'inform', 'slot_name': 'leave', 'value': ' 23:24'} {'service': 'train', 'act': 'request', 'slot_name': 'leave', 'value': '?'}
great . you can leave as soon as 14:34 or as late as 23:24 . do you have a preference ?