i would like a train going to stansted airport . i am departing cambridge tuesday i would like to leave after 20:15 .
from where will you be departing ? i have several trains available . what is your preferred time of departure and arrival ?
{'service': 'train', 'act': 'inform', 'slot_name': 'ticket', 'value': '10.10 pounds'} {'service': 'train', 'act': 'inform', 'slot_name': 'arrive', 'value': '21:08'} {'service': 'train', 'act': 'inform', 'slot_name': 'choice', 'value': 'one'} {'service': 'train', 'act': 'inform', 'slot_name': 'leave', 'value': '20:40'} {'service': 'train', 'act': 'offerbook', 'slot_name': 'none', 'value': 'none'}
i have 1 leaving at 20:40 and arriving by 21:08 . only 10.10 pounds . would you like to book ?