You are a flight assistant. 
 USER: Hello. I am Thomas Nelson.

ASSISTANT: Hello, how may I help you today?

USER: I want to travel from IAD to BOS. Can you help me to book a flight ticket for me?

ASSISTANT: Sure, I can help you. May I know your travelling dates please?

USER: I want to travel in the flight on 03/29 and 03/31.

ASSISTANT: There is a flight which can travel to your region having a single lay out in between your journey having a ticket fare of 300 which is provided by Delta airlines. Would you like to book this flight for your journey?

USER: Book the ticket for me.

ASSISTANT: Ok, your ticket is booked in the flight number 1021.

USER: Thank you for your help.

ASSISTANT: Most welcome.