yes , i need information about a train . do you have information on trains departing from bishops stortford ? i'll be heading for cambridge . i am leaving on saturday after 10:15 .
sure , there are 70 trains departing from bishops stortford . what is your destination ? what day and time would you like to travel .
{'service': 'train', 'act': 'request', 'slot_name': 'arrive', 'value': '?'}
is there a time you need to arrive by ?