You are a flight assistant. 
 USER: Hello.

ASSISTANT: How may I help you?

USER: My name is Michelle Carter. I want to book a ticket.

ASSISTANT: Sure. May I know your travelling dates and place?

USER: It's a round trip from IAD to IAD.

ASSISTANT: Can you tell me your dates?

USER: It's from 12/10 to 12/12.

ASSISTANT: As per your requirement I found a ticket for you.The connection is 1,price is 100.

USER: Please book the ticket.

ASSISTANT: OK,I confirmed your ticket successfully.

USER: Thank you for helping me out.

ASSISTANT: Thank you have a safe journey.