Hello, I am Andrew Hall.
user
Hello, how can I help you?
assistant
I want to attend live concert at GA - ATL. My journey start from IL - ORD  on 04/12. And I will return on 04/14. There must be no connecting flight between my journey.
user
Ok, please wait for a moment, I will check and get back to you.
assistant
Sure.
user
Thanks for waiting. Sorry, No flights found with your given details.
assistant
Ok, no problem. Thank you for helping me.
user
Thanks for choosing us.
assistant