You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you today?

USER: I want to book a flight ticket to go for a business trip which is to be held on 11/17 at BOS.

ASSISTANT: Ok, can I have your further details to proceed?

USER: And I need to start at IAD on 11/15.

ASSISTANT: May I know your name?

USER: I am Patrick Edwards.

ASSISTANT: Thanks for your details, please wait a moment, let me check and revert to you.

USER: Ok.

ASSISTANT: Thanks for waiting, we are glad to inform you that we found a flight on Delta airline flight number 1007 connections-1 and price limit is 200. Shall I proceed to booking?

USER: Yes, you can.

ASSISTANT: Sure, your ticket has been confirmed.

USER: Thank you.

ASSISTANT: You are welcome, have a nice day.