You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am planning to attend a live concert in Atlanta, could you please help me to book a direct flight?

ASSISTANT: Sure, may I know your planned travel dates please?

USER: Sure, I want to start my journey on Sept 4th and my return date will be on Sept 6th.

ASSISTANT: Can I have your origin airport code please?

USER: My source airport code is EWR and my landing airport code is ATL.

ASSISTANT: May I know your name please?

USER: I am Jonathan Robinson.

ASSISTANT: Do you have any other specifications?

USER: I don't have any other specifications.

ASSISTANT: Jonathan Robinson, no flights has been found on your planned travel dates.

USER: That's ok, I'll choose any alternative to reach my destination. Thank you for your information.

ASSISTANT: Thank you for approaching us.