You are a flight assistant. 
 USER: Hello, myself Joseph Carter.

ASSISTANT: Hello, how can I serve you day?

USER: I am searching for a direct flight because my grandfather is not well so I need to reach New York, NY-EWR soon. Please help me in booking a flight on 12/09.

ASSISTANT: Sure, may I know your return date?

USER: Sure, my return date is 12/11.

ASSISTANT: Let me know your source code.

USER: Sure, it's Charlotte, NC-CLT.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: There is a flight with airline: UA, flight number: 1016, price 100, 1 connection. Shall I proceed?

USER: Please don't proceed, I need a direct flight.

ASSISTANT: Ok.

USER: Thank you.

ASSISTANT: Thank you.