You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Please help me to book a flight ticket from OAK to MSP.

ASSISTANT: Can I know your journey dates.

USER: My trip dates are Sept, 9 and Sept, 11.

ASSISTANT: Do you prefer direct flight or connecting flight?

USER: I would prefer connecting flight.

ASSISTANT: Please provide your name?

USER: Stephanie Carter.

ASSISTANT: Is there any preference?

USER: No.

ASSISTANT: Direct flight is found with American airlines for price 200. Shall I book a ticket?

USER: Yes, please book.

ASSISTANT: Your ticket is booked having flight number 1000.

USER: Thank you.

ASSISTANT: Thank you.