You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: Myself Carolyn Miller here.

ASSISTANT: Yes Miller.

USER: I want to visit Supreme Court and White House at Washington, can you please help me to book a ticket from LGA to IAD?

ASSISTANT: What is your travel dates?

USER: Sure, my preferable dates of journey is from 06/18 to 06/20. Please make sure that connection is 1.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Sorry, there is no flight with 1 connection in your route.

USER: Please don't book it. Thank you for your service.

ASSISTANT: Thank you for approaching us.

USER: Welcome.