hi , i need a train to broxbourne , please . i will be leaving on saturday and i am departing from cambridge .
what day will you be traveling ?
{'service': 'train', 'act': 'inform', 'slot_name': 'choice', 'value': '19'} {'service': 'train', 'act': 'request', 'slot_name': 'leave', 'value': '?'}
there are 19 trains that day do you have a time you will be traveling ?