You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: I want to attend for an interview in MCO. Can you please book a flight from LAS?

ASSISTANT: Sure, can you please mention with your dates of journey?

USER: Sure, my travelling dates are from Feb 28 to Mar 1.

ASSISTANT: May I know your name please for further booking purpose?

USER: My name is Raymond Smith.

ASSISTANT: Do you have any other requirements please?

USER: I need a connecting flight with an business class.

ASSISTANT: Please wait for a mean while.

USER: Sure.

ASSISTANT: Sorry Smith, there is no flight found as per your travelling details.

USER: Ok, no problem. Thank you for the information.

ASSISTANT: You are welcome.