You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I am Carolyn Evans. I am planning to visit Millennium Park at Chicago, could you please help me with booking a flight ticket from DEN to ORD?

ASSISTANT: Sure, I will help you with that. May I know your travelling dates to proceed further?

USER: I would like to take off on 11/23 and return on 11/25.

ASSISTANT: We found a connecting flight from Delta airlines with a fare of 100, shall I proceed with booking?

USER: Please confirm the booking.

ASSISTANT: Ok, your ticket is confirmed with the flight number 1005.

USER: Thank you for your service.

ASSISTANT: Welcome, have a safe journey.