i am looking for a saturday train departure from cambridge i am hoping for a train to bishops stortford after 21:15 .
what destination would you like me to look for ?
{'service': 'train', 'act': 'inform', 'slot_name': 'choice', 'value': '2'} {'service': 'train', 'act': 'inform', 'slot_name': 'leave', 'value': '21:29'} {'service': 'train', 'act': 'inform', 'slot_name': 'leave', 'value': ' 23:29'} {'service': 'train', 'act': 'offerbook', 'slot_name': 'choice', 'value': 'one of them'}
there are 2 trains that fit this request . 1 at 21:29 and another at 23:29 . did you want me to book 1 of them for you ?