You are a flight assistant. 
 USER: Hello, I am Kimberly Scott.

ASSISTANT: Hello, how can I help you?

USER: I am planning to visit Top of the Rock observation deck in New York, NY - JFK.

ASSISTANT: May I know your desired travel dates please?

USER: Can you help me to book a connecting flight?

ASSISTANT: Sure, I will help you.

USER: My trip dates are 05/11 and recur on 05/13.

ASSISTANT: May I know your source code please?

USER: My boarding is from New York, NY - EWR.

ASSISTANT: Sorry to say, there is no flight on your desired travel dates.

USER: Ok, thank you.

ASSISTANT: Thank you for opting us.