You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Scott Hall, I need to go to New York, JFK from Seattle, SEA. So can you help me to search a flight ticket in this route?

ASSISTANT: Sure, can I know the travel dates please?

USER: My preferred dates are 09/29 and 10/01.

ASSISTANT: Ok, wait a moment please.

USER: Sure, take your time.

ASSISTANT: Sorry Scott Hall, there are no flight as per your request.

USER: It's ok, thank you for the information.

ASSISTANT: Thank you for your positive response.