i hope you can help me find the attraction downing college . no . that will be all , thank you . good day . oh , wait , 1 more thing . can you help me find a train ? i am traveling on sunday from peterborough to cambridge . i want to arrive in cambridge by 15:00 .
yes , it s on regent street in the centre of town . would you like the phone number ? you are welcome . goodbye . sure ! when are you wanting to travel , where are you leaving from , where would you like to go and what time ?
{'service': 'train', 'act': 'request', 'slot_name': 'leave', 'value': '?'}
is there a time you would like to leave after ?