Hi, I am Richard Lee.
user
Hello. How may I aid you today?
assistant
I want to attend Steampunk festivals at Chicago with the fare of 500. Can you please help me in booking a flight ticket?
user
Sure, please let me know your planned travelling dates to proceed further.
assistant
I have planned on 05/10 and return on 05/12.
user
Can I know your source and destination points?
assistant
My destination is at Chicago, IL - ORD. My source is from San Francisco, CA - SFO.
user
Please wait a while.
assistant
Ok.
user
We are unable to provide flight  in between your journey points due to heavy floods at Chicago.
assistant
Ok, no issues.
user
Thanks for contacting us.
assistant
Thanks for your response.
user