Hello.
user
Hello, how can I help you today?
assistant
I am Jonathan Jones. I want to fly from ORD to AUS, Can you please book a ticket for me?
user
Sure, may I know your travel dates?
assistant
08/28 to 08/30  and price 200.
user
Ok,please wait a moment.
assistant
Sure.
user
Sorry to inform, no flight found with your requirement.
assistant
Ok. Thank you.
user
Thanks for reaching us, have a good day.
assistant