You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you at present?

USER: I want to travel from ORD to IAD. Can you help me to book a flight ticket?

ASSISTANT: Sure, Let me know your planned journey dates.

USER: I would like to fly in the flight on Dec 24 and Dec 26.

ASSISTANT: May I know your connection limit?

USER: I want to have a connecting flight.

ASSISTANT: Is there any other requirements to travel?

USER: No.

ASSISTANT: Ok, please wait for a couple of minutes.

USER: Ok, take your time.

ASSISTANT: We are glad to inform you that, we found a flight in 1010 American Airline with a connected flight and the cost is 400. Can I proceed for booking in business class?

USER: Proceed to booking.

ASSISTANT: May I know your name for booking?

USER: Emily Nelson.

ASSISTANT: Sure, your ticket has been reserved.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.