Hello, I am Michael Thompson.
user
How may I aid you?
assistant
I want to book a ticket from Los Angeles, CA-LAX to Chicago, IL-ORD. Could you help me in doing this?
user
Sure, we will help you. Please, let me know your name? Can I know your journey dates?
assistant
My travelling dates are from 09/28 to 09/30.
user
OK,. Sorry, we did not find any flight according to your details.
assistant
OK, Thanks for the information.
user
Thank you for choosing us.
assistant