You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: Can you please book me a plane ticket from BOS to SEA?

ASSISTANT: Sure, I will help you with this. May I know your planned dates of journey?

USER: Sure, my planned trip dates are from 12/02 to 12/04.

ASSISTANT: Can you please provide your good name?

USER: Sure, my name is Carol White.

ASSISTANT: Spirit airlines is available on this route with a ticket fare of 200, shall I book your tikcet?

USER: Ok, please proceed.

ASSISTANT: Carol White, your ticket is booked with flight number 1022.

USER: Thank you.

ASSISTANT: Thank you, have a safe journey.