You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Scott Harris.

ASSISTANT: Scott, how may I aid you?

USER: I am planning this weekend to travel Vegas to meet mu cousin. Can you please help me in booking the ticket from PHX to LAS?

ASSISTANT: May I know your itinerary dates?

USER: I will drop-off 01/21 and again I will be return back on 01/23.

ASSISTANT: Please wait for a while.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry, no flight is available on your route.

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

ASSISTANT: Thank you for contacting us.