You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: I need to book a flight ticket from ATL to JFK to enjoy music festivals. Can you help me in booking a flight ticket?

ASSISTANT: Sure, please share your itinerary dates.

USER: Sure, my journey dates are Nov 16 and Nov 18.

ASSISTANT: Do you have any specifications?

USER: I would prefer depart time afternoon. And I need a connected flight.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: May I know your name?

USER: Sure, David Jones here.

ASSISTANT: Sorry David Jones, no flights are available in the afternoon from ATL.

USER: Ok, no issues. Thank you for your assistance.

ASSISTANT: Thank you for choosing us.