Hello. I am Steven Evans.
user
Hello, how can I help you today?
assistant
Can you please help me in booking a flight ticket from DEN to AUS?
user
Sure, may I know your planned travel dates?
assistant
My planned journey dates are Aug 23 and Aug 25.
user
Is there any class preference for you?
assistant
I am comfortable with any class.
user
Do you have any specifications?
assistant
My return time should be afternoon.
user
May I know your connection limit?
assistant
I need a flight with single connection.
user
Sorry to say that, no flights were found with your given details.
assistant
Ok, no  problem. Thank you for the information.
user
Thank you for reaching us.
assistant