You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am looking for a flight from ATL to DFW, can you please help me in booking?

ASSISTANT: Sure, may I know your name please?

USER: My name is Brandon Turner.

ASSISTANT: May I know your planned travelling dates please?

USER: My travelling dates are Mar 22 and Mar 24.

ASSISTANT: May I know your class preference please?

USER: I am fine with any class.

ASSISTANT: May I know your connection limit please?

USER: I need a connecting flight.

ASSISTANT: There is a connecting flight of fare 100 with economy class in Delta airline, shall I proceed for booking?

USER: If flight return time is morning, you can proceed for further.

ASSISTANT: Sorry Turner, there is no flight found as per your preferable time.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for reaching us.