You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: Kathleen Scott here. I have a presentation of my work in Chicago, could you please assist me in booking a flight from Denver?

ASSISTANT: Sure, I will help you with that. Can you please share your preferable journey dates?

USER: I will depart on Nov 10th and will return back on Nov 12th.

ASSISTANT: Can you please share your source and destination airport codes?

USER: Sure, I will travel from DEN to ORD.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: Is there any connection limit?

USER: Yes, I am ok with one connecting flight.

ASSISTANT: Do you have any specifications?

USER: Please make sure, my return flight should be in the morning time.

ASSISTANT: I found a ticket for you with price is 600 in business class, flight number is 1011 and connection is 1. Is it ok for you?

USER: Please proceed with it.

ASSISTANT: I confirmed your ticket successfully with Delta airline.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.