i need to take a train , i want to leave on wednesday after 11:00 . from broxbourne to cambridge . arrival time does not matter as long as i leave after 11:00 .
sure , what is your destination ? i have 13 trains that would work . they depart every hour , starting at 11:32 . what time would you like to arrive in cambridge ?
{'service': 'train', 'act': 'request', 'slot_name': 'people', 'value': '?'}
i can help you with that , how many tickets do you need ?