Hello.
user
Hello, how can I help you?
assistant
I want to book a flight ticket from SFO to DEN. Could you help me?
user
May I know your desired travel dates please?
assistant
My travelling dates are from Jan 18 -20.
user
Do you have any specifications?
assistant
I prefer for economy class with single connection.
user
May I know your name please?
assistant
Jerry Mitchell here.
user
Sorry to say, there is no flight on your desired travel dates.
assistant
That's ok, no problem.
user
Thank you for opting us.
assistant
Thank you.
user