You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I need to travel Las Vegas, can you please reserve flight ticket from DCA and LAS?

ASSISTANT: Sure, please forward your travelling dates?

USER: My travelling dates are 05/20 and 05/22.

ASSISTANT: We found a Jet blue airline with flight number 1000 and fare 100. Shall I proceed?

USER: Please proceed with the reservation.

ASSISTANT: May I know your good name please?

USER: Myself Anthony Jackson.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for booking flight ticket.

ASSISTANT: Thank you.