You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. how can I assist you now?

USER: I am planning to attend a Snooker's competition in LGA from ATL. Can you find a flight ticket for me?

ASSISTANT: Sure, can I have your  travel dates please?

USER: Ok, my planned trip dates are on Mar 19 and return on Mar 21.

ASSISTANT: Ok, please let me know your preferable timings of your journey.

USER: Yes, I want to depart in the afternoon.

ASSISTANT: Do you have any other specifications?

USER: No, thanks for asking.

ASSISTANT: Can I have your good name please to proceed further?

USER: Ok, my name is Jeffrey Hernandez.

ASSISTANT: Sorry to inform you that no flight is available to you on your planned dates.

USER: Ok, not an problem. Thank you for your help.

ASSISTANT: Thank you for choosing us, have a good day.