Hi.
user
Hello. How can I aid you?
assistant
Can you help me to book  a flight from ORD to JFK?
user
Sure, I am happy to help you. May I know your travelling dates?
assistant
My travel dates are Mar 18 and 20.
user
Do you prefer any stopover in between journey?
assistant
No.
user
Is there any other specifications for you?
assistant
No.
user
Can I have your good name?
assistant
Patricia Robinson here.
user
Sorry, no flights are available on your journey routes.
assistant
Ok, thank you.
user
Thank you for availing us.
assistant