You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I'm Kimberly Clark. I am planning to attend convocation meeting at PHX, can you please help me with booking a flight ticket from IAD?

ASSISTANT: Sure, may I know your planned travel dates?

USER: Sure, I would like to take off on 03/13 and return back on 03/15.

ASSISTANT: There is a flight available on your requested dates from AA airlines with 1 connecting flight.

USER: Yes, please proceed with the booking if the price limit does not exceed 500.

ASSISTANT: Your ticket is booked with flight 1023.

USER: I appreciate your help, thank you for your help.

ASSISTANT: You are welcome.Have a safe flight.