Hello, I am Michelle Brown.
user
Hello, How best can I give you the response today?
assistant
 I want to attend Steampunk festivals at Chicago with the fare of 200. Can you please help me in booking a flight ticket?
user
Sure, May I know your travel dates?
assistant
I want to travel on 02/28, and need to catch return flight on 03/01.
user
Can you share your airport codes?
assistant
I need to leave from my nearest airport LAX to reach ORD.
user
Ok, please wait.
assistant
Sure.
user
We regret, there is no flight found in search to your route on your dates of journey.
assistant
Ok, no problem.
user
Thanks for reaching us.
assistant
Thanks for the information.
user