You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you help me booking a flight ticket from IAD to OAK?

ASSISTANT: May I know your desired travel dates please?

USER: I will start on 07/05 and return on 07/07.

ASSISTANT: Do you have any specifications?

USER: No.

ASSISTANT: May I know your name please?

USER: I am Samuel Young.

ASSISTANT: There is a flight with connection limit 1 and fare 100, shall I proceed for booking?

USER: Please proceed with the booking.

ASSISTANT: Your ticket is booked, flight number 1000 with Jet Blue airlines.

USER: Thank you for your kind service.

ASSISTANT: Thank you for opting us.