Hello.
user
Hello, how can I help you?
assistant
My name is Brandon Green. I want to book a flight ticket with a price limit of 500 to spend my summer vacations in Los Angeles.
user
Ok. I will help you in booking.
assistant
My source and destination airport codes are IL - ORD, CA - LAX.
user
Can I have your travelling dates please?
assistant
My departure day is 04/06, return day is 04/08.
user
Please wait for a while.
assistant
Sure.
user
I am here to say that, there were no flights available with your requirements.
assistant
No problem, thanks for your service.
user
Thank you for availing us.
assistant