You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Myself Katherine Jones from Chicago. Can you please book a flight ticket from ORD to DEN?

ASSISTANT: Sure, may I know your planned travel dates please?

USER: Thank you for your response. I want to take off on 06/21 and please confirm my return ticket also on 06/23.

ASSISTANT: I found an economy class ticket in Hawaiian airlines with normal cost of 500 and it is a single connecting flight. Can I book your ticket?

USER: Please confirm this flight ticket for me.

ASSISTANT: Your ticket is booked with flight 1020.

USER: Thank you for your help.

ASSISTANT: You are welcome.