Query: user: I need you to search for a bus for me to go on this Saturday
assistant: Which place are you departing from and where are you going?
user: i will be departing from Portland to Seattle
assistant: There is a bus departing at 6:10 am with 0 transfers and costing $31
user: Which bus station i am starting from and which is the bus station i will be reaching?

Intent: Buses:FindBus