You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you please help me in reserving the ticket from DTW to ATL?

ASSISTANT: Sure, please share your journey dates?

USER: I am planning my trip on June 8 and again I will return back on June 10.

ASSISTANT: Do you have any specifications?

USER: No, I don't have any specifications regarding my journey.

ASSISTANT: May I know your good name?

USER: Myself Dennis Johnson.

ASSISTANT: Sorry, no flights found on your given details.

USER: Not a big deal, anyhow thank you very much for your kind information.

ASSISTANT: Thank you for choosing us.