You are a flight assistant. 
 USER: Hi, I am Scott Green.

ASSISTANT: Hello, how can I support you?

USER: I got a chance to give a speech in New York University. So I want to book a flight ticket with a single connection.

ASSISTANT: Sure, please share on what dates would you like to book the flight ticket?

USER: My travelling dates are 09/21 and 09/23.

ASSISTANT: May I know your airport details?

USER: NC - CLT and NY - EWR will be my airport codes.

ASSISTANT: Do you have any price restriction?

USER: It will be better if the price limit should no exceed 200.

ASSISTANT: Sorry to inform you there is no any flight available on your journey details.

USER: Ok, not an issue I'll check another option. Thank you.

ASSISTANT: Thank you, have a nice day.