You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

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

ASSISTANT: Sure, may I know your travelling dates?

USER: I will start on 03/2 and return on 03/04.

ASSISTANT: On which name shall I reserve flight ticket?

USER: I am Karen Thomas.

ASSISTANT: Do you need any specifications?

USER: No.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: There is a flight with one connection and the price is 000 in United Airlines, can I proceed with the reservation? Make sure the price is 200.

USER: Please proceed with the booking.

ASSISTANT: Your ticket has been reserved with the flight number 1000.

USER: Thank you.

ASSISTANT: Thank you for reaching our service.