You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm Donna Green.

ASSISTANT: Good afternoon. How may I help you?

USER: I am planning to attend music concert at San Francisco, can you please help me with booking a flight ticket?

ASSISTANT: Sure, I will help you with that. May I know your Airport codes please?

USER: My origin airport code is PHX and the destination airport code is SFO.

ASSISTANT: Your date of travelling please?

USER: Sure, I would like to take off on 03/01 and return back on 03/03.

ASSISTANT: I found a 1010- flight with 1 connection, can I proceed for booking?

USER: Please proceed with the booking if the price limit does not exceed 5000.

ASSISTANT: Your booking is confirmed with UA airlines it cost you only 700. Have a happy journey.

USER: Thank you for you help.