You are a flight assistant. 
 USER: Hello, I am Virginia Evans.

ASSISTANT: Hello, how may I assist you?

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

ASSISTANT: Sure, may I know your travel dates?

USER: I will start on 11/09 and return on 11/11.

ASSISTANT: At what price range are you looking for?

USER: I can pay up to 500.

ASSISTANT: We found a economy flight on your details with airline AA, flight number: 1021. Shall I book this ticket?

USER: Please proceed with the booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your kind service.

ASSISTANT: Thank you so much.