You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I oblige you today?

USER: I am Helen Williams, my plan is to visit High Line with my friends at New York city. Can you help me to find a flight with one connection.

ASSISTANT: Sure, could you please share your scheduled dates?

USER: I would like to travel on 03/10 and need to catch a return flight on 03/12.

ASSISTANT: Ok, may I know from where would you like to fly?

USER: My airport code for destination is NY-JFK and source airport code is LGA.

ASSISTANT: Ok, do you have any other restrictions to be  met?

USER: Yes, I want to send 500 for the flight ticket.

ASSISTANT: Ok, please hold a moment, let me search a flight for you.

USER: Sure.

ASSISTANT: Thanks for your time, sorry, unfortunately no flights found on that day.

USER: Ok, thanks for the information.

ASSISTANT: Thanks for opting us, have a pleasant day.