You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am John Mitchell, I need a direct flight to New York to attend a wedding of my brother. I want to land on airport NY-JFK.

ASSISTANT: Sure, May I know your airport codes and journey dates?

USER: My source airport code is CA-SFO. I will travel on 12/25 and return on 12/27.

ASSISTANT: Thank you for the details provided. Please hold on, I will check the availability and let you know.

USER: Sure.

ASSISTANT: Thank you for waiting, We found an UA airline with flight number 1008 and price is 100 matched your information. Shall I proceed for booking?

USER: Sure.

ASSISTANT: Ok, Your booking has been done.

USER: Thank you for helping me.

ASSISTANT: Thank you for availing us, Have a nice journey.