You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I have to go to friend's marriage in New York, NY-JFK. Please help me to book a flight ticket.

ASSISTANT: Ok, may I know your name please?

USER: My name is Linda Allen.

ASSISTANT: Linda, could you please provide me your journey details so that I can proceed?

USER: My source airport should be New York, NY-EWR on 11/03. The return date might be on 11/05.

ASSISTANT: Ok, please wait for a moment while I am checking.

USER: Please check for the flight with price 200.

ASSISTANT: Sorry Linda, I have not found any flight for you.

USER: Its ok, thank you.

ASSISTANT: Thank you for reaching us.Have a good day.