You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Can you please help me in booking the flight ticket from JFK to BOS?

ASSISTANT: Sure, may I know your planned travel dates please?

USER: Preferred dates are July 16 and July 18.

ASSISTANT: Would you like to travel in a connecting flight or a direct flight?

USER: Direct flight is required.

ASSISTANT: May I know your good name please?

USER: Linda Wright here.

ASSISTANT: Sorry, there is no flight available on your requested dates.

USER: Ok, not an issue.

ASSISTANT: Thank you for reaching us.

USER: Thanks for checking.