Query: user: I'm going out of town and i need bus tickets for the 12th of march
assistant: Whats your departure and arrival locations?
user: I'm leaving philly and heading to washington
assistant: How many tickets are you after
user: Can you book 3 tickets for me
assistant: What time would you prefer to leave
user: Um about half past 11 in the morning
assistant: Confirming you want to book 3 bus tickets from Philadelphia to Washington departing March 12th at 11:30 am, and you don't need extra luggage
user: Yes that's right
assistant: Unfortunately the booking failed due to unexpected errors. There is another service departing at 11:10 am instead. Tickets are $32
user: yeah sure thats fine

Intent: Buses:BuyBusTicket