You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Myself Samantha Scott. I want to meet my business partner's at Vegas. Can you please help me in booking the ticket from PHL to LAS?

ASSISTANT: Sure, I am gleeful to help you. Could you please provide your travelling dates to search for the flight?

USER: I am willing to travel on 05/14 and again I will be return back on 05/16.

ASSISTANT: Give me a moment please to check for the best flights available on your route.

USER: Sure.

ASSISTANT: Sorry to say, no flights were found on your route.

USER: Not a big deal, anyhow thank you very much for your service.

ASSISTANT: Thank you for reaching us, have a nice day.