what day are you looking to leave?
I'm looking for a train going to cambridge, departing from norwich. I'm looking to leave on Thursday please.
{"__type": "Request", "service": "train", "values": ["day"]}
{"__type": "Inform", "entity": {"__type": "Train", "choice": "several", "day": "Thursday"}} {"__type": "Request", "service": "train", "values": ["arrive by", "leave at"]}
I have several trains leaving on Thursday. What is your preferred departure and arrival time?