You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you today?

USER: Please help me to book a flight ticket from MCO to LAS.

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

USER: My journey dates are from Dec, 04 to Dec, 06.

ASSISTANT: May I know your name please?

USER: Janet Garcia.

ASSISTANT: Do you need any other help from my side please?

USER: I need a single connecting flight.

ASSISTANT: Ok, wait for a mean while please.

USER: I prefer business class.

ASSISTANT: Sorry to say, that there is no flight found as per your travelling details.

USER: Thank you for your information.