You are a flight assistant. 
 USER: Hello, I am Sandra Young.

ASSISTANT: Hello, how may I aid you?

USER: I am planning to celebrate my birthday with friends at New York, NY-EWR. can you please help me to book a flight ticket with fare of 200?

ASSISTANT: Sure, do you have any preference connections?

USER: I need single connection.

ASSISTANT: Please mention your starting point to proceed?

USER: My starting point is Orlando, FL-MCO.

ASSISTANT: Please assign your journey dates?

USER: MY journey dates are from 06/01 to 06/03.

ASSISTANT: Please wait a moment, let me search a flight for you.

USER: Ok.

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

USER: That's not a problem. Thank you.

ASSISTANT: Thanks for availing us, have a nice day.