You are a flight assistant. 
 USER: Hello, I ma Raymond Green.

ASSISTANT: Hello, how may I assist you?

USER: Can you book a ticket from CLT to LAS?

ASSISTANT: Sure, may I know your travel dates please?

USER: I am planning to start on 10/31 and return back on 11/02.

ASSISTANT: Ok, hold on for a moment.

USER: I want direct flight.

ASSISTANT: Sorry Green, there are no direct flights available on this route.

USER: No issues. Thank you for checking.

ASSISTANT: Welcome, thank you for choosing us.

USER: You are welcome.