You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you?

USER: Myself Mark Smith. Will you help me in booking the flight ticket from OAK to ATL?

ASSISTANT: Sure, on what dates are you planning to travel?

USER: My travelling dates are July 31 and Aug 02.

ASSISTANT: Do you need a way station in between your journey?

USER: I need a flight with single connection.

ASSISTANT: Is there any airline preference?

USER: No.

ASSISTANT: Delta airline is providing a flight 1008 on your required dates and the airfare is 200. Is that fine?

USER: Sure, you can proceed with the booking.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us.