hello . i need train to london liverpool street . yes , i would like to leave cambridge sometime after 12:15 . it would need to be on thursday . do you have anything ?
where are you departing from and do you have a time preference ? what day would you like to travel ?
{'service': 'train', 'act': 'inform', 'slot_name': 'choice', 'value': '4'} {'service': 'train', 'act': 'inform', 'slot_name': 'leave', 'value': '13:59'} {'service': 'train', 'act': 'inform', 'slot_name': 'leave', 'value': 'every two hours '}
i have 1 that leaves at 13:59 and 4 more that depart every 2 hour -s after .