Ok, what time do you want to be picked up?
I need a taxi to come get me from old schools to take me to loch fyne. I actually need to leave after 11:00.
{"__type": "Request", "service": "taxi", "values": ["leave at"]}
{"__type": "Inform", "entity": {"__type": "Taxi", "type": "black skoda"}}
Your booking is complete. A black skoda will be picking you up.