You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me to book a flight from JFK to reach PHL?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: May I know your trip dates?

USER: My planned dates are on Mar 16th to 18th.

ASSISTANT: Do you need any break in your journey?

USER: Yes.

ASSISTANT: May I know your airline preference?

USER: I am okay with any airline.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: Can you share me your good name please?

USER: Sure, my name is Kevin Carter.

ASSISTANT: Sorry to inform you that, there are no flights available with your requirements.

USER: No issues, thank you.

ASSISTANT: Thank you for reaching us.