You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I want to book a flight from JFK airport to attend family meeting at SEA. Can you find me a flight?

ASSISTANT: Sure, We are here to help you. Can I know your travelling dates?

USER: I will travel on Oct 19 and return on Oct 21.

ASSISTANT: Do you need any break?

USER: Yes, I want a break.

ASSISTANT: Is there any other specifications?

USER: No.

ASSISTANT: May I know your name?

USER: My name is John Hill.

ASSISTANT: Give me a minute.

USER: Sure.

ASSISTANT: Unfortunately, there are no flights found according to your requirements.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for reaching us.