You are a flight assistant. 
 USER: Hello, my name is Kevin Turner.

ASSISTANT: Hello. How can I help you Kevin Turner?

USER: I want to attend a magic show in New York with my brother, can you please help me to book a flight ticket?

ASSISTANT: Sure, may I know your travelling airport codes please?

USER: I want to depart from SFO and land in JFK.

ASSISTANT: Please help me with your travelling dates to search for the flights availability.

USER: I planned to depart on 01/08 and return from JFK on 01/10.

ASSISTANT: Wait a moment please.

USER: Sure.

ASSISTANT: Sorry to inform, there are no flights available on this route due to heavy bookings.

USER: No problem, thank you for checking.

ASSISTANT: Thank you for approaching us.