Hello.
user
Hello. How can I serve you?
assistant
I want to book a flight ticket from LAX to ORD. Could you help me in booking?
user
Sure. Can I know your travelling dates?
assistant
My travelling dates are from Dec 30-01. Jan 01.
user
Do you require any break?
assistant
No.
user
Can I know your name?
assistant
Charles Wilson here.
user
Is there any specifications?
assistant
I prefer for economy class.
user
Give me a minute.
assistant
Ok.
user
Thanks for being waiting,  We are unable to provide flight in between your journey routes due to some technical up-gradation at destination airport.
assistant
That's ok, no problem. Thank you.
user
Thank you for reaching us.
assistant