You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Richard White here.

ASSISTANT: How may I guide you today?

USER: I want to book a flight from IAD - BOS to meet my family.

ASSISTANT: Sure, I will help you with this. Can you please provide your preferable journey dates?

USER: I will be travelling on the dates from 12/27 to 12/29.

ASSISTANT: Give me a moment please.

USER: Ok.

ASSISTANT: Frontier airlines is available with a ticket fare of 100 on this route, are you ok with this?

USER: Ok, book it.

ASSISTANT: Richard White, your ticket is booked with flight number 1001.

USER: Thank you for helping me out.

ASSISTANT: Thank you, have a safe journey.

USER: Welcome.