You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am planning to book a ticket from ATL to AUS. Can you please help me out?

ASSISTANT: Sure, may I know the planned travel dates?

USER: I am planning to travel on Oct 05 and return back on Oct 07.

ASSISTANT: Do you have any specifications?

USER: I am looking for a direct flight.

ASSISTANT: Please provide me the name.

USER: I am Michelle Harris.

ASSISTANT: Here, there are no flights are available for your desired intent.

USER: That's fine, thank you for your service.

ASSISTANT: Thank you for reaching us.