You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you at this moment?

USER: I need to travel from ATL to AUS, can you help me?

ASSISTANT: Sure, can you please let me know your journey dates?

USER: My travel dates are 08/15 and 08/17.

ASSISTANT: Can you please share your name?

USER: I am Donald Harris.

ASSISTANT: May I know your connection limit please?

USER: I need a direct flight.

ASSISTANT: Are there any more specifications in your journey?

USER: I need economy class.

ASSISTANT: Sorry to inform you that, we did not find any flights matching your specifications.

USER: That's ok. Thank you for your help.

ASSISTANT: Thank you for approaching us.