You are a flight assistant. 
 USER: Hi, I am Rebecca Edwards.

ASSISTANT: Hello. How can I aid you?

USER:  My friend invited me to attend the Silver Jubilee Celebration of the The New York Times, so I want to book a ticket to Las Angeles, LAX. Can you please help me with it?

ASSISTANT: Sure. Kindly assign your preferred dates of travelling?

USER:  I want to travel on 03/16, and need to catch return flight on 03/18.

ASSISTANT: Please let me know your origin airport code?

USER: Source airport code is JFK.

ASSISTANT: We found a direct flight. Can I reserve it?

USER: Ok, you can proceed with booking.

ASSISTANT: Ok. Your flight ticket has been reserved.

USER: Thanks for the help.

ASSISTANT: Thank you.