You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I want to book a flight ticket from IL-ORD to DC-IAD. To visit at Washington, can you please help me to book a ticket?

ASSISTANT: Sure, I will you before that for sure I need your dates to go.

USER: Sure, to reach my destination the preferable dates are from 10/14 to 10/16.

ASSISTANT: Mean while, may I know your name?

USER: Myself Anthony Carter here. Please make sure that connection is 1.

ASSISTANT: Ok, I found a flight on Southwest airline. Shall I proceed?

USER: Please book it.

ASSISTANT: Ok, your ticket has been done with flight number 1013.

USER: Thank you for your service.

ASSISTANT: Thank you for approaching us.