i need info on a train that would be departing from peterborough . i would like to leave on sunday and arrive in cambridge by 15:15 .
and what day and time ?
{'service': 'train', 'act': 'inform', 'slot_name': 'arrive', 'value': '15:09'} {'service': 'train', 'act': 'inform', 'slot_name': 'leave', 'value': '14:19'} {'service': 'train', 'act': 'inform', 'slot_name': 'id', 'value': 'tr7864 '} {'service': 'train', 'act': 'offerbook', 'slot_name': 'none', 'value': 'none'}
i have train tr7864 leaving at 14:19 and arriving at 15:09 . would you like to book that ?