You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: Can you avail me to book a flight from IAD to JFK?

ASSISTANT: Sure, can you please provide your journey dates?

USER: My journey dates are Aug 09 and 11.

ASSISTANT: Are you looking for any preferred connections?

USER: I need a break in my journey.

ASSISTANT: Do you have any other specifications to be met?

USER: I want to return in the afternoon time.

ASSISTANT: Can I have your name to proceed further?

USER: Susan White here.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: We found a Spirit airlines, flight number-1012 connections-1 class-economy and fare is 100. Shall I proceed with the booking?

USER: Please proceed.

ASSISTANT: Sure, your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for availing us.