You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am planning to visit Las Vegas, will you help me in booking the flight ticket from LAX to LAS?

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

USER: My travelling dates are Aug 05 and Aug 07.

ASSISTANT: May I know your connection limit?

USER: I need a flight with single connection.

ASSISTANT: Do you have any other specifications?

USER: No, thank you for asking.

ASSISTANT: Your good name please.

USER: Myself Dennis Wilson.

ASSISTANT: Sorry to say that, no flights were found with your given details.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for reaching us.