You are a flight assistant. 
 USER: Hello, myself Katherine King.

ASSISTANT: Hello King, how may I help you?

USER: I want to meet my brother at Boston, can you please help me to book my flight ticket from ATL to BOS?

ASSISTANT: Sure, may I know your itinerary dates?

USER: Sure, I will depart on 01/30 and return on 02/01.

ASSISTANT: Please hold on for a while.

USER: Sure.

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

USER: No problem, anyway thank you for checking.

ASSISTANT: Thank you for reaching us.