You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you for today?

USER: Need your assistance for booking a flight ticket to LAS with a direct flight.

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: My planned dates are on Oct 14 and 16.

ASSISTANT: Can you please provide your source airport code?

USER: I am boarding from my hometown PHX.

ASSISTANT: Do you have any class preferences?

USER: I am fine with any class.

ASSISTANT: Do you have any other requirements that you are looking for?

USER: My depart time is afternoon.

ASSISTANT: Can you please provide your name to proceed further?

USER: Janet Jones here.

ASSISTANT: Sorry, there are no flights available at your request.

USER: Ok, thank you.

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