You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you today?

USER: I want to travel in a business class flight, can you please find out a flight for me?

ASSISTANT: Sure, I will help you with that. May I know your preferable airport codes?

USER: Thank you for accepting my request, I want to travel from ATL to AUS.

ASSISTANT: Can you please share your respective travel dates?

USER: My departure is on Nov 06 and please book my return ticket on Nov 08.

ASSISTANT: May I know your name please?

USER: Sure, my name is Joseph Johnson.

ASSISTANT: Can I know your connection limit?

USER: I don't have any connection preference.

ASSISTANT: Do you have any other specifications?

USER: No, thank you for asking.

ASSISTANT: Sorry to inform you that, there are no flights found on this route as per your travel dates.

USER: Oh! Sad to hear that. Anyway, I will find another alternative. Thank you for the information.

ASSISTANT: Thank you for reaching us, have a great day.