You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am George Lee. I want to book a flight ticket to attend a Crash Course in Los Angeles, could you please help me in booking a connecting flight?

ASSISTANT: Sure, may I know your departure and return dates?

USER: I would like to fly on 11/19 and return on 11/21.

ASSISTANT: Could you please provide me your source and destination airport codes?

USER: My source is Chicago, IL - ORD and destination code is CA - LAX.

ASSISTANT: Do you need halt in between your journey?

USER: Yes, I need a halt in between my journey.

ASSISTANT: Ok, may I know how much you can afford for a flight ticket?

USER: I can afford up to 5000.

ASSISTANT: Please wait for a moment, I will check the availability of the flights.

USER: Sure, I will wait.

ASSISTANT: Thanks for waiting, we found a AA airline, flight number: 1014, price: 200 with one connection.

USER: You can proceed to booking.

ASSISTANT: You flight ticket has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you, have a good day.