You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you for the day?

USER: I want to book a flight ticket to New York NY-LGA, can you please assist me in booking my flight ticket with connecting flight?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: When you are willing to travel?

USER: I intend to start on 01/11, my return date will be 01/13.

ASSISTANT: May I know your good name?

USER: I am Mark Campbell.

ASSISTANT: Can you help me with your source code?

USER: I want to start from best international airport CA-OAK.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: We found 1000 southwest airlines with single connection with price 200.

USER: You can proceed.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for your assistance.

ASSISTANT: Thank you for reaching us.