looking for a train that leaves on saturday leaving birmignham new street , to cambridge . i would need to leave after 08:30 .
yes , there are 404 trains . would you like to tell me more to narrow your search ? no problem . any preference on times ?
{'service': 'train', 'act': 'inform', 'slot_name': 'id', 'value': 'tr1958'} {'service': 'train', 'act': 'inform', 'slot_name': 'leave', 'value': '8:40'} {'service': 'train', 'act': 'offerbook', 'slot_name': 'none', 'value': 'none'}
tr1958 leaves at 8:40 would you like tickets on that train ?