hi , i have just started planning a trip and the train system is so confusing , can you help me ? stansted airport . and i am headed to cambridge . i'll be travelling on monday .
absolutely . where will you be departing from ? what day will you travel on ?
{'service': 'train', 'act': 'request', 'slot_name': 'leave', 'value': '?'}
at what time do you want to leave ?