Hello.
user
Hello. How can I assist you at this  moment?
assistant
Could you help me in booking a flight ticket from ORD to CLT?
user
Sure, I will help you with that.  Can I have your  travel dates please?
assistant
I want to fly on Nov 09, return on Nov 11.
user
Ok,  please let me know your  preferable timings of your journey.
assistant
I am comfortable with any time.
user
Do you have any other specifications?
assistant
I need a connecting flight.
user
Can I have your  good name please?
assistant
My name is Raymond Parker.
user
Sorry to inform you that no flight is available to you on your planned dates.
assistant
No problem, thank you.
user
Thank you for choosing us, have a  good day.
assistant