Hello.
user
Hello, can I know your name?
assistant
I would like to take a flight on 10/03 and 10/05, to see Millennium Park in Chicago. Sure, I am Robert Lee. Can you help me with booking ticket for me?
user
Ok, can you help me with your source and destination of your journey?
assistant
Ok, my airport codes are from ATL to ORD.
user
Give me a moment.
assistant
Ok.
user
Sorry to say this, on your preferable dates of journey flights are not available.
assistant
It's ok, not an issue. Thank you for checking.
user
Thank you for contacting our service.
assistant