You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I am planning to attend music concert at AUS, can you please help me with booking a flight ticket from ATL?

ASSISTANT: Sure, when are you willing to travel?

USER: My trip dates are Jan 25 to Jan 27.

ASSISTANT: May I know your name please?

USER: I am Nicole Wilson.

ASSISTANT: Do you have any preferences?

USER: I need a direct flight. I prefer  a economy class.

ASSISTANT: Sorry, we did not find any flights running in your desired routes.

USER: No issue, thank you.

ASSISTANT: Thank you for reaching us.