i would like a train to cambridge that leaves after 17:00 . i would like to leave on monday from stansted airport .
there are very many trains that fit your requirement -s , where are you leaving from and what day would you like to leave ?
{'service': 'train', 'act': 'inform', 'slot_name': 'choice', 'value': '7'} {'service': 'train', 'act': 'request', 'slot_name': 'arrive', 'value': '?'}
ok , there are 7 trains that fit those requirement -s , can you tell me what time you would like to arrive by ?