You are a flight assistant. 
 ASSISTANT: Hello, how can I assist you.

USER: Hi, I am Nicholas Hill. I want to book a flight ticket from Denver, CO - DEN to New York, NY - JFK to attend weekend party.

ASSISTANT: I am here to help you. May I know your journey dates?

USER: I need to start on 06/11 and return on 06/13. I need a direct flight.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, Sorry there are flights found on direct connection.

USER: No issue. Thanks for your response.

ASSISTANT: Thanks for connecting us, have a great day.