Hello.
user
Hello. How may I help you?
assistant
Please help me to book a flight from ORD to SFO.
user
Can I know your journey dates?
assistant
Sure, I want to travel on Nov 19 and need to return on Nov 21.
user
Do you need connecting flight?
assistant
I need a direct flight.
user
Is there any class preference?
assistant
No.
user
Please let me know your name?
assistant
My name is Paul Collins.
user
Sorry currently there is no flight for your travelling dates.
assistant
Ok, no problem.
user
Thank you.
assistant
Thank you for checking.
user