You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you?

USER: I need to book a flight ticket from PHX to IAD, can you help me in booking a flight ticket?

ASSISTANT: Sure, I can help you with that. May I know your travel dates please?

USER: Sure, my journey dates are Feb 12 and Feb 14.

ASSISTANT: Do you need break in between your journey?

USER: I prefer maximum one connection.

ASSISTANT: Please let me know if you have any other specifications.

USER: No more specifications, you can proceed further.

ASSISTANT: May I know your good name please?

USER: Sure, Stephanie Campbell here.

ASSISTANT: Delta airlines is providing a direct flight with ticket fare of 200, shall I proceed for booking?

USER: Yes, you can.

ASSISTANT: I have successfully booked you an economy class ticket in flight-1004, have a safe journey.

USER: Thank you for your assistance.

ASSISTANT: Thank you for choosing us.