Hi.
user
Hello. How can I serve you?
assistant
Can you please help me in booking a flight from PHX to OAK?
user
Sure, I can help you out. Can I know your travelling dates?
assistant
My planned dates are on Oct 22nd to 24th.
user
Do you require  any break?
assistant
Yes, I need a direct flight.
user
Is there any comforts?
assistant
I need a flight in business class.
user
May I know your name?
assistant
Sure, my name is Nicole Roberts.
user
Unfortunately, there are no flights found according to your requirement.
assistant
Not a problem, thank you.
user
Thank you for reaching us.
assistant