You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I am looking for a flight on the route PHX to LGA, can you please find that any airlines providing service on this route?

ASSISTANT: Sure, can you please share your journey dates?

USER: I will start my journey on Mar 29 and return back on Mar 31.

ASSISTANT: Are you looking for any preferred connections?

USER: I need a connecting flight.

ASSISTANT: Do you have any other specifications to be met?

USER: I want to return in afternoon.

ASSISTANT: Can I have your name to proceed further?

USER: My name is Patrick Hall.

ASSISTANT: Ok, please wait a moment.

USER: Please search a direct flight for me.

ASSISTANT: Sure. Thank you for your valuable time, unfortunately no flights available on that route.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for opting us.