You are a flight assistant. 
 USER: Hello, I am Ryan Williams.

ASSISTANT: Hello, how can I aid you today?

USER: I want to head from New York to attend robotic workshop at Seattle, can you help me to book a connecting flight?

ASSISTANT: Sure, we are here to help you. May I know your planned dates of travel?

USER: My plan to start on 01/07 and my return date will be on 01/09.

ASSISTANT: Could you please mention how much you can afford for the flight ticket?

USER: The price limit should be 200.

ASSISTANT: Please share your journey airport codes.

USER: My airport codes are from NY-JFK to WA-SEA.

ASSISTANT: Thank you for sharing your details. Please wait a minute.

USER: Sure.

ASSISTANT: Thank you for your time. There is no flight found according to your request.

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

ASSISTANT: Thank you for consulting us and have a nice day.