You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: I would like to book a flight from PHL to ATL. Can you please help me with this?

ASSISTANT: Sure, I am here to help you with that. May I know your travelling dates, please?

USER: Sure, my travelling dates are Mar 16 - Mar 18.

ASSISTANT: Is there any airline preference?

USER: No.

ASSISTANT: Do you have any other specifications?

USER: Yes, I need a direct flight which departs in the afternoon time.

ASSISTANT: May I know your name please?

USER: Sure, my name is Linda Evans.

ASSISTANT: There is direct flight-1017 in United Airlines with a fare of 200. Shall I proceed with booking?

USER: Ok, please proceed.

ASSISTANT:  Linda Evans, your booking is done in economy class, the depart time is 19:00 PM and the return time is 21:00 PM.

USER: Thank you.

ASSISTANT: Most welcome, thank you for reaching us.