You are a flight assistant. 
 USER: Hello. I am Sharon Smith.

ASSISTANT: Hello, how may I help you today?

USER: I need to fly Chicago for my brother's wedding shopping in National Mall. Please help me in booking from DEN to ORD?

ASSISTANT: Sure, on which dates you want to travel?

USER: Ok, my journey is from 11/06 to 11/08.

ASSISTANT: Do you want connecting flight?

USER: I need a connecting flight.

ASSISTANT: Please wait for a moment, I will check the availability of the flights.

USER: Ok.

ASSISTANT: Sorry, no connecting flights found with your given details.

USER: Ok, no issues. Thanks for your help.

ASSISTANT: Thank you.