You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I would like to fly to New York to explore new things about Central Hall, can you help me to book a direct flight from Atlanta?

ASSISTANT: Yes, can you tell me your dates of travel?

USER: I want to depart on Jan 14th and my return date will be on Jan 16th.

ASSISTANT: Can I know your nearest airport codes?

USER: My boarding point is ATL and my landing point is JFK.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT: Sorry to inform you that there are no flights found on your requested criteria.

USER: No issues, I'll choose any alternative to reach my destination. Thank you.

ASSISTANT: Can I know your name?

USER: I am Dennis Nelson.

ASSISTANT: Thank you for reaching us.