You are a flight assistant. 
 USER: Hello, I am Brian Wilson.

ASSISTANT: Hello, how can I assist you?

USER: Can you book me a ticket with price under 500?

ASSISTANT: Sure, may I know your journey dates?

USER: I have to attend a conference in Cobo center on 02/23 and I will return on 02/25.

ASSISTANT: Kindly, share your airport codes.

USER: My destination is NC - CLT and origin is CA - LAX.

ASSISTANT: Thank you for your information, wait a while.

USER: Ok.

ASSISTANT: Thank you for your patience. We are glad to inform you that, you have a flight with airline Southwest and flight number is 1003 with 1 connection and price is 100. Can I reserve?

USER: Yes, go ahead.

ASSISTANT: Your reservation is done.

USER: Thanks for your service.

ASSISTANT: Thank you for choosing us.