You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I'm planning to visit New York, can you book a ticket from ORD to JFK?

ASSISTANT: Sure, may I know your travel dates?

USER: Sure, my planned departure and return travel dates are 28th and 30th of Jan.

ASSISTANT: Please share me your name.

USER: My name is Joseph Moore.

ASSISTANT: Do you have any specifications?

USER: I prefer single connected flight.

ASSISTANT: Sorry, there is no flight at this moment.

USER: That's ok, thank you for giving the information anyways.

ASSISTANT: Thank you.