Hello.
user
Hello. How can I assist you?
assistant
I am Kathleen Harris. I would like to meet my friends at  Chicago, IL-ORD on 09/20. Could you please help me with booking a flight ticket?
user
Yes, I can help you. Can you share me your destination airport code?
assistant
My source airport code is Los Angeles, CA-LAX.
user
Ok, can I know your return date for this journey?
assistant
I intend to return on 09/22.
user
Give me a moment.
assistant
Sure.
user
Sorry to inform you that there are no flights found on your requested dates.
assistant
No problem, thank you for the information.
user
Thank you for reaching our agency.
assistant