You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: My name is Sharon Young.

ASSISTANT: Nice to meet you Sharon.

USER: This Christmas I would like to spent my holidays with my parents in Washington, so could you please to book a ticket?

ASSISTANT: Sure, may I know the complete travelling details please?

USER: My airport codes are IAD to IAD. My trip dates are 10/31 and 11/02.

ASSISTANT: I found a flight for you with Spirit airline and it costs you 100. Shall I proceed?

USER: Ok proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us. Have a safe flight.