You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how could I serve you today?

USER: I want to book a flight ticket to attend my meeting with client in Oakland, CA - OAK. Can you book a flight ticket with airfare 200?

ASSISTANT: Sure, I would be happy to help you.

USER: Thank you.

ASSISTANT: Kindly, mention your boarding point?

USER: My source code is New York, NY - JFK.

ASSISTANT: May I know your travelling dates?

USER: My trip dates are 08/15 - 08/17.

ASSISTANT: Please give me a moment, I will check the details and get back to you.

USER: Ok.

ASSISTANT: Sorry to inform, there is no connecting flight.

USER: Ok, thanks.

ASSISTANT: May I have your name please?

USER: Myself Jeffrey King.

ASSISTANT: Thank you for reaching us.

USER: Thank you.