You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Dennis Anderson, I am visit Bronx Zoo at New York with my family. Can you book a flight for me?

ASSISTANT: Sure, can you please provide your dates of journey.

USER: I will fly on 08/14 and plan to return on 08/16.

ASSISTANT: May I know your airport codes?

USER: MY destination is NY-LGA and source point is GA-ATL.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry, there were no flights found on your preferred dates.

USER: Thank you for the details, I will replan my trip and back to you for booking.

ASSISTANT: Thank you for reaching us.