You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Nicholas Anderson.

ASSISTANT: Anderson, how may I aid you?

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

ASSISTANT: Sure, please provide your itinerary dates.

USER: I am planning to travel on 01/30 and return back on 02/01.

ASSISTANT: Please hold on for a while.

USER: Sure.

ASSISTANT: Sorry, no flight is available on your route.

USER: That's fine. Thank you for your service.

ASSISTANT: Thank you for reaching us.