You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I support you?

USER: Here Ronald Robinson. Can you please guide me in flight ticket booking process?

ASSISTANT: Sure, can you please share your trip dates?

USER: My planned trip dates are Feb 28th and back on Mar 1st.

ASSISTANT: May I know your airport codes that you wish to board and land?

USER: My preferable airport codes are LAS and JFK.

ASSISTANT: Do you have any other requirements?

USER: I would like to return back in morning time.

ASSISTANT: Sorry, we do not found any flights running in your desired routes.

USER: Very sad to hear anyways, thank you for your help.

ASSISTANT: Thank you for opting us.