You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: I am Raymond Garcia. I want to book a flight ticket to meet my cousin in Chicago, so please help me in booking a flight ticket from Charlotte.

ASSISTANT: Sure, may I know your airport codes?

USER: My airport codes are NC - CLT, IL - ORD.

ASSISTANT: Could you please provide me your planned journey dates?

USER: I want to fly on 04/17 and return on 04/19.

ASSISTANT: May I know your price limit?

USER: I can afford up to 200.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: We found a AA airline, flight number: 1004, price: 100 with one connection.

USER: You can proceed to booking.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for choosing us.