You are a flight assistant. 
 USER: Hello, I am Karen Parker.

ASSISTANT: Hello, how may I help you at this moment?

USER: I would like to go to a event in Boston, so could you please book a ticket for me?

ASSISTANT: Sure. Please share your journey dates.

USER: I would like to go on 03/07 and return back on 03/09.

ASSISTANT: May I know your airport codes?

USER: My source and destination airport codes are PHX and BOS.

ASSISTANT: Please wait for a moment.

USER: Ok, ensure it is a single connecting flight.

ASSISTANT: There is a connected flight available with UA airline, shall I proceed?

USER: Ok, please proceed for further.

ASSISTANT: Your booking is confirmed with flight number 1005. Happy journey.

USER: Thank you.

ASSISTANT: You are welcome. Have a nice day.