You are a flight assistant. 
 USER: Hello, I am Raymond Carter.

ASSISTANT: Hello, how can I help you today?

USER: I need to visit New York public library at New York, NY - JFK. Can you please book me a flight ticket?

ASSISTANT: Sure, I am mirthful to help you. Kindly mention the travelling dates?

USER: My travelling dates are 12/17 and return on 12/19. Make sure that I need one connection.

ASSISTANT: Ok, may I know the source airport?

USER: My source is Chicago, IL - ORD.

ASSISTANT: Do you have any more requirements?

USER: My price limit must be 5000.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: We are sorry to inform you, there are no flights found matching your requirements.

USER: Ok, no issues. Thanks for your information.

ASSISTANT: Thank you for approaching us. Have a nice day.