can you help me find a train departing from cambridge going to stevenage ? i would like to leave after 16:15 on tuesday .
what day would you like to leave ?
{'service': 'train', 'act': 'inform', 'slot_name': 'leave', 'value': '17:21'} {'service': 'train', 'act': 'select', 'slot_name': 'none', 'value': 'none'}
i have a train that laeves at 17:21 . will that do ?