You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Emily Martin.

ASSISTANT: Emily Martin, how can I aid you today?

USER: Can you help me in booking from ATL to JFK, as there is a musical concert at New York?

ASSISTANT: Sure, I am here to help you. May I know your travel dates please?

USER: Ok. My trip dates are Mar 1 to Mar 3.

ASSISTANT: Ok, do you have any other requirements?

USER: I prefer a flight which depart in evening.

ASSISTANT: Ok, hold on for a moment. Let me check the best flight for you.

USER: Sure.

ASSISTANT: Sorry Emily Martin, there are no flights available on your requested dates.

USER: No issue, thank you.

ASSISTANT: Welcome, thank you for choosing us. Have a great day.