i need a train that will be leaving from cambridge by 16:30 , can you help me with this please ? i need the train to leave on monday before 16:30 for ely .
where would you like to go and on what day ?
{'service': 'train', 'act': 'inform', 'slot_name': 'choice', 'value': '10'} {'service': 'train', 'act': 'inform', 'slot_name': 'leave', 'value': '16:30'}
there are 10 trains leaving before 16:30 . what is the earliest you would like to leave ?