You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I'm Emily Wilson, planning to visit Las Vegas. Can you please book me a ticket from MCO to LAS?

ASSISTANT: Sure, may I know your travel dates?

USER: My preferable journey dates are from 12/04 to 12/06.

ASSISTANT: Ok, please be on hold.

USER: Please find direct flight on this route.

ASSISTANT: There are no flights as per your request, Emily.

USER: Ok, not an issue. I will find any alternate for this trip. Thank you for providing information.

ASSISTANT: Thank you for choosing us.