am looking for a train , it should leave on sunday and should go to stansted airport arrival time does not matter so much , but i want to leave after noon . not a morning person :
what time would you like the train to arrive at cambridge ? keep in mind the train ride duration is approximately 28 minutes .
{'service': 'train', 'act': 'inform', 'slot_name': 'leave', 'value': '12:40'} {'service': 'train', 'act': 'inform', 'slot_name': 'id', 'value': 'tr5985'}
how about tr5985 ? it leaves at 12:40 .