Query: user: I need a bus
assistant: When do you need it? What's the city of origin?
user: I need it on next Wednesday. The city of origin is Seattle, WA
assistant: What's your destination? How many ticket do you want? What time do you prefer to leave?
user: I want to visit Vancouver, BC. I need ticket for one people. I'd like to leave at 9:45 am
assistant: A bus for 1 people from Seattle to Vancouver, on March 6th at 9:45 am. Is it correct?
user: Yes, it is. Thank you

Intent: Buses:BuyBusTicket