You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am planning to book a ticket from JFK to SFO. Can you please help me out?

ASSISTANT: May I know your travelling dates?

USER: I am planning to travel on Oct 31 and return back on Nov 02.

ASSISTANT: Can I know your connection limit?

USER: I am looking for a direct flight.

ASSISTANT: Please let me know your name?

USER: My name is Samantha Roberts.

ASSISTANT: Sorry, no flights available on your route.

USER: That's fine, thank you for your service.

ASSISTANT: Thank you for reaching us.