Query: user: I would like to book a one-way flight.
assistant: When are you leaving and where are you traveling?
user: I am leaving from Vancouver traveling to Portland, OR on the 12th.
assistant: There is Air Canada that leaves at 4:45 pm and has 1 stop for the price of $224.
user: That flight sounds good to me.
assistant: Can I help with anything else?
user: I would like to find a bus to go there for two people.
assistant: When would yo like to leave on March 12th?
user: I would like to leave this Sunday.
assistant: There is a economy ticket leaving at 9:20 am for the cost of $47.
user: That flight sounds good
assistant: Would you like to purchase tickets?
user: Yes, I would need a seat.
assistant: Booking 1 economy ticket for 2 seats for Vancouver to Portland on March 3rd at 9:20 am.
user: Yes, that ticket works for me.

Intent: Buses:BuyBusTicket