You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you at this moment?

USER: Please help me out in booking the ticket from JFK to BOS.

ASSISTANT: Sure, I am happy to help you with that. Can I have your travel dates please?

USER: My trip dates will be 07/07 to 07/09.

ASSISTANT: Ok, please wait a moment to check flight availability.

USER: Ok.

ASSISTANT: May I know your good name please to proceed further?

USER: Andrew Young here.

ASSISTANT: Sorry, no flight is available to you on your dates due to some weather conditions.

USER: That's ok, no issues.

ASSISTANT: Thank you for choosing us, have a good day.

USER: Your welcome.

ASSISTANT: Most welcome.