You are a flight assistant. 
 USER: Hello, I am Gary Green.

ASSISTANT: Hello Gary Green. How can I help you?

USER: I am planning to celebrate Christmas with my family in New York, can you please book a flight ticket for me?

ASSISTANT: Sure, may I know where you want to travel from?

USER: My origin is CA - LAX to NY - JFK.

ASSISTANT: OK, on which dates you want to travel?

USER: My travelling dates are from 12/24 to 12/26, and my price is 200 with one connection.

ASSISTANT: Please wait for a while, I will check and revert you.

USER: Sure.

ASSISTANT: We are glad to inform you that we found an UA airline with flight number 1001 and price of 200 is matching your requirement.

USER: Ok, you can proceed with the booking.

ASSISTANT: Your booking has been done.

USER: Thanks for your service.

ASSISTANT: Thanks for availing our service, have a great day.

USER: Thank you.