Hello.
user
Hello. How can I help you?
assistant
I am Virginia Brown. I want to book a flight ticket with the price limit of 500.
user
Ok, please provide me your journey dates?
assistant
My departure is 12/07 and my return date on 12/09. I need a direct flight.
user
May I know your journey points?
assistant
Sure, my source and destination codes are MI - DTW and TX - AUS.
user
 Sorry, no direct flights are available.
assistant
Not an issue. Thanks for your service.
user
Thank you for your approach.
assistant