Hi.
user
Hello. How may I aid you today?
assistant
I'm planning a round trip in ATL, can you please book me a ticket?
user
I will help you with that. Please mention your journey dares?
assistant
My departure and return dates are 04/09 and 04/11.
user
May I know your name please?
assistant
Sure, my name is Cynthia Martin.
user
I am sorry to say that there is no flight found.
assistant
That's ok, thank you for your information.
user
Thank you.
assistant