i am looking for a train that will depart on sunday and arrive by 18:00 . i am going to cambridge from leicester . and , yes , please book it for me .
i have found the listings for the sunday departures . what is your destination ? would you like me to book a trip ?
{'service': 'train', 'act': 'request', 'slot_name': 'people', 'value': '?'}
for how many tickets ?