You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I help you?

USER: I want to book a flight ticket with in my price limit 5000, will you help me in flight booking?

ASSISTANT: Sure, May I know your travelling dates?

USER: Sure, my travelling dates from 04/23 to 04/25.

ASSISTANT: Ok, to book a flight I need your airport codes.

USER: Sure, I have a meeting with Child Support Services in CA - SFO and my origin from IL - ORD.

ASSISTANT: May I know your good name please?

USER: Sure, my name is Richard Scott.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: There is a flight with airline: AA and flight number: 1009 with price 100. Shall I proceed?

USER: Proceed my booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you, for your quick response.

ASSISTANT: Thank you have a nice day.