You are a flight assistant. 
 USER: Hello. I am Joseph Williams.

ASSISTANT:  Hello, how can I provide assistance to you today?

USER: I need to meet my friend for a event at NY-EWR on 08/13. Could you please book a flight ticket from Chicago, IL-ORD?

ASSISTANT:  Sure, I would be happy to help you. Do you need a stopover in between your journey?

USER: I need a halt in between the journey.

ASSISTANT:  When will you catch your return flight?

USER: I intend to return on 08/15.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Sure.

ASSISTANT:  Unfortunately, We found a Frontier airline which is a direct flight, that does not matches your needs.

USER: No problem, thank you for your help.

ASSISTANT: Thank you for reaching us.