You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am planning to book a ticket to attend a meeting at DEN. Can you please help me out?

ASSISTANT: Can you please share your preferable journey dates?

USER: I am planning to travel on June 11 and return back on June 13.

ASSISTANT: May I know your name please?

USER: Nicholas Hill.

ASSISTANT: Can you please share source?

USER: I want to travel from DEN to ORD.

ASSISTANT: Do you have any connection limit?

USER: I am looking for a connecting flight.

ASSISTANT: I found a ticket fo r you with price of 200, flight number is 1003 and connection is 0. Is it ok for you?

USER: Proceed to booking.

ASSISTANT: I confirmed your ticket successfully.

USER: Thank you.

ASSISTANT: Thank you for reaching us.