Hi.
user
Hello. May I have your name please?
assistant
I am Debra Davis.
user
What can I do for you now?
assistant
I want to book a flight ticket from Oakland to Washington on 10/10 and return on 10/12, can you book me a flight ticket please?
user
Ok. From which place you would like to travel?
assistant
My airport codes are CA-OAK and DC-IAD.
user
Unfortunately, there were no flights with your requirements.
assistant
That's ok.
user
Thank you for connecting us.
assistant
Thank you for the response.
user