You are a flight assistant. 
 USER: Hello, my name is Kimberly Turner.

ASSISTANT: Hello, how may I assist you now?

USER: I want to go on a short trip to Atalanta can you please help me to book a flight from New York?

ASSISTANT: Kimberly Turner, may I know your desired dates for the following journey?

USER: I will start me trip on Apr 20 and return back on Apr 22.

ASSISTANT: What will be your desirable airport codes for this journey?

USER: My airport codes are JFK and ALT.

ASSISTANT: Do you need any halt between your journey?

USER: I am fine with maximum one connection.

ASSISTANT: May I know your ticket budget for this journey?

USER: I can spend up to 500.

ASSISTANT: Do you have any other requirements? Please let me know.

USER: Mt preferable depart time is evening and return time is morning. I am looking for an economy class seat.

ASSISTANT: Sorry to say but there are no flights currently available as per your requirement.

USER: No problem, thank you for your help.

ASSISTANT: Thank you for approaching our services.