Hi.
user
Hello, how can I help you?
assistant
 I am planning to book a flight ticket to PHX from OAK, can you please help me out?
user
Sure, please provide your trip dates.
assistant
Sure, my trip dates are Mar 20 and Mar 22.
user
Do you need any connection limit?
assistant
I am looking for a flight with 1 connection.
user
Is there any other requirements?
assistant
My return time must be in evening.
user
May I know your name?
assistant
Sure, my name is Anna Phillips.
user
There are no flights available on your routes.
assistant
It's ok, thank you for the information.
user
Thank you for choosing us.
assistant