Query: user: Hello! Is there any car available for rental?
assistant: Lemme check... Before that, how long do you need the car? At what time you want to pick it up and from where?
user: I will be picking it up at around evening 6:30 from Portland and I will need the car till 11th of this month.
assistant: From onwards you need the car?
user: From next Thursday.
assistant: Okay! I've 6 cars and the compatible one is Accord, a Standard Car which is available for pick up on March 7th at PDX International Airport. Do you wish to rent this car?
user: What would be the cost for the rental?
assistant: In total, you have to pay $140 for your reservation. Is that okay to you?
user: Yup! Sounds great.
assistant: So, can I reserve this car for you?
user: Nope, not right now. I just want to know if any bus transportation available to this place?
assistant: When you want to start the journey?
user: Might be on March 3rd.
assistant: From where will you be leaving?
user: I will be leaving from Seattle, WA.
assistant: Okay! You've got a bus leaving at 6:10 am and you have an Economy ticket that costs $34. Do you wish to get this ticket?
user: Do you have any other buses available?
assistant: Yup, there is bus leaving at 6:30 am and you've got an economy ticket for a price of $30. Do you wish to have this bus?
user: At what station did the bus starts and ends?
assistant: It starts from King Street Station and reach the Portland Bus Station.
user: Okay! Still do you have any other buses that have Economy tickets.
assistant: Yup! There is economy ticket available in the bus leaving at 8:30 am and the ticket fare is $35. Do you wish to go in this bus?
user: Yup! Sounds good.
assistant: Can I get tickets for you in this bus?
user: Nope, not right now. Please can you find a flight with round-trip? If seats available in United Airlines, that would be best.
assistant: When will you leave? Is it on March 7th? When will be your return? Will it be on March 11th?
user: I'll leave on 1st of this month and will return on 12th of March.

Intent: Flights:SearchRoundtripFlights