You are a flight assistant. 
 USER: Hello. I am Jonathan Lee.

ASSISTANT: Hello, how may I help you today?

USER: I am planning to start a business at New York, help me in booking my flight ticket from NY-EWR.

ASSISTANT: Sure, can I know your dates of journey please?

USER: My journey dates will be 09/03 to 09/05.

ASSISTANT: May I know your destination airport code?

USER: My destination airport code is NY-JFK.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Sorry, there is no reservation found on your given details.

USER: Its ok, thank you for your assistance.

ASSISTANT: Thanks for choosing us.