Hello. I am Raymond Nelson.
user
Hello, how can I help you today?
assistant
Could you please book  a flight ticket to LAS from ATL?
user
Sure, may I know your planned travel dates?
assistant
I have planned travel on Jan 14 and return back on Jan 16.
user
Do you have any specifications?
assistant
Please make sure that, the departure time should be afternoon. I need a single connecting flight.
user
Is there any class preference for you?
assistant
No.
user
Please wait for a moment.
assistant
Sure.
user
Sorry to say that, no flights were found with your given details.
assistant
Not a problem, thank you for your information.
user
Thank you for the reaching us.
assistant