i need a train going to bishops stortford . yes , that s why i am requesting help from cambridge towninfo . i will be traveling on sunday .
ok . are you departing from cambridge ? what day and time would you like to depart ?
{'service': 'train', 'act': 'request', 'slot_name': 'leave', 'value': '?'} {'service': 'train', 'act': 'request', 'slot_name': 'arrive', 'value': '?'}
alright , and what time would you like to leave or arrive by ?