You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you today?

USER: I want to participate in Music festival at New York, JFK. Can you please book a ticket from IAD?

ASSISTANT: Sure, I am gleeful to help you with that. Can you please provide your preferable dates of travelling?

USER: My travelling dates are July 18 and July 20.

ASSISTANT: May I know your connection limit?

USER: I want single connection.

ASSISTANT: Any other specifications do you have?

USER: No.

ASSISTANT: Please provide your name to book a flight ticket?

USER: I am Margaret Lee.

ASSISTANT: Please wait a moment to check the flights.

USER: Ok.

ASSISTANT: Based on your information, I have found a flight with 1 connection having with the fare of 200 provided by Southwest airlines in economy class. Are you ok with this flight?

USER: Ok, please proceed.

ASSISTANT: Sure, your ticket has been confirmed in flight number 1021.

USER: Thank you.

ASSISTANT: Thank you for contacting us, have a great journey.