You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me in booking a flight ticket from Detroit, DTW to reach Atlanta, ATL?

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

USER: My journey dates are from Aug 12 to Aug 14.

ASSISTANT: May I know your connection limit?

USER: As my company rules, I need to travel in direct flight only.

ASSISTANT: Is there any class preference for you?

USER: I am comfortable with any class.

ASSISTANT: Do you have any other specifications?

USER: No, thanks for asking.

ASSISTANT: Your good name please.

USER: My name is Christine Lewis.

ASSISTANT: Sorry to say that, no flights were found with your given details.

USER: Ok, that's not a problem. Thanks for your information.

ASSISTANT: Thank you for reaching us.