You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you today?

USER: I am Matthew Campbell. I would like to attend a meeting with my client in Fisher Building at Detroit, MI -  DTW. Can you please help me in booking a flight ticket from Las Vegas, NV - LAS?

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

USER: My trip dates are 03/10 - 03/12.

ASSISTANT: Do you need a halt in between your journey?

USER: I need a single connection.

ASSISTANT: Please wait for a moment. I will check the availability of the flights.

USER: Sure, I will wait.

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

USER: Not a problem, thank you.

ASSISTANT: Thank you for reaching us.