You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: This is Helen Campbell from Los Angeles.

ASSISTANT: Ok.

USER: I am planning to meet my childhood friend who are staying in New York, so I need to fly from Los Angeles. Can you please help me in booking a flight ticket?

ASSISTANT: Sure, I am here to help you. Can I know when you want to travel?

USER: I want to travel on 12/31 and return on 01/02.

ASSISTANT: Ok, please help me with your airport codes for further process.

USER: My airport codes are from CA-LAX to NY-JFK.

ASSISTANT: Do you need any halt in the journey?

USER: Yes, I need a halt.

ASSISTANT: Wait a minute please.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a connecting flight with flight number 1001 and airline Southwest at a price of 200. Shall I Proceed?

USER: Please proceed.

ASSISTANT: Sure, your booking is done.

USER: Thank you for your response.

ASSISTANT: Thank you for reaching us, have a nice day.