You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Myself Donald Wright, I need to travel to San Francisco, can you help me in booking flight ticket from OAK to SFO?

ASSISTANT: May I know your travelling dates please.

USER: My travelling dates are 09/23 and 09/25, and my budget should not exceed 1000.

ASSISTANT: Please wait for a moment. The flight is found with one connecting limit and airfare is 200. Shall I proceed with booking?

USER: Please proceed with the booking.

ASSISTANT: The flight has been booked  with Jet Blue airline and flight number is 1020.

USER: Thank you for helping me in booking the flight ticket.

ASSISTANT: Thank you for opting us.