Hi.
user
Hello.
assistant
I am Patrick Phillips.
user
How can I aid you?
assistant
I want to book a  flight ticket from WA-SEA to CA-SFO. Can you help me?
user
Sure, I am glad to help you in booking the flight ticket. May I know your planned travel dates?
assistant
08/07 and 08/09 are my travelling dates.
user
Ok, please wait for a while.
assistant
Ok.
user
Thank you for waiting. Sorry to say, there are no flights available for your desired dates.
assistant
No issue. Thank  you.
user
Thank you for reaching us.
assistant