hey . i am looking for a train from stansted airport . i plan to go on tuesday . my destination is cambridge .
what day will you be traveling ? what is your destination ?
{'service': 'train', 'act': 'inform', 'slot_name': 'choice', 'value': 'several'} {'service': 'train', 'act': 'request', 'slot_name': 'leave', 'value': '?'}
there are several . do you have a time you need to travel specifically ?