You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am planning to visit Atlanta, will you help me in booking the flight ticket from DEN to ATL?

ASSISTANT: May I know your desired travel dates please?

USER: My preferable journey dates are Nov 18 and Nov 20.

ASSISTANT: Do you have any specifications?

USER: I need a flight with single connection.

ASSISTANT: May I know your name please?

USER: Myself Brian Lewis.

ASSISTANT: There is a flight with connection limit 1 and fare 200, shall I proceed for booking?

USER: Sure, you can proceed with the booking.

ASSISTANT: Your ticket is booked, flight number 1018 with Delta Airlines.

USER: Thank you for helping me.

ASSISTANT: Thank you for opting us.