You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: Will you help me in booking the flight ticket from IAD to PHX?

ASSISTANT: Sure, can you please share your travel dates?

USER: My preferable journey dates are Dec 24 and Dec 26.

ASSISTANT: May I know your connection limit?

USER: I need a flight with single connection.

ASSISTANT: Do you have any other requirements?

USER: No, thank you for asking.

ASSISTANT: Ok, please share your name.

USER: Myself Timothy Green.

ASSISTANT: There is a flight from Southwest airlines with a ticket fare 300, shall I proceed with booking?

USER: Sure, you can proceed with the booking.

ASSISTANT: Your ticket has been confirmed with the flight-1002 in economy class.

USER: Thank you for helping me in booking the flight ticket.

ASSISTANT: Welcome, have a safe trip.