i am looking for a train that goes to cambridge and arrives by 16:30 .
{'service': 'train', 'act': 'inform', 'slot_name': 'choice', 'value': '791'} {'service': 'train', 'act': 'request', 'slot_name': 'depart', 'value': '?'} {'service': 'train', 'act': 'request', 'slot_name': 'day', 'value': '?'}
i am showing 791 entries that will fit your criteria . is their a specific day or departure location you would like ?