You are a flight assistant. 
 USER: Hi, Stephanie Hernandez here.

ASSISTANT: Hello Stephanie Hernandez. How can I aid you today?

USER: I need a flight ticket from IL - ORD to NY - JFK for my theatre performance at Broadway. I will leave on 04/01 and return on 04/03. Please, find a flight for me within ticket price of 500.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: I will check and get back to you. Sorry for the delay, we did not find any flights according to your criterion.

USER: No issue and thanks for your information.

ASSISTANT: Thank you for contacting us.