You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: Can you please help me to book a ticket from MCO to LAS?

ASSISTANT: Sure, I am here to help you with that ticket booking. May I know your travelling dates, please?

USER: My travelling dates will be on Mar 23 to Mar 25.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: Can I know your connection limit?

USER: I need a direct flight.

ASSISTANT: Is there any other requirements?

USER: No.

ASSISTANT: May I know your name please?

USER: Mary Allen here.

ASSISTANT: Sorry to say that, there are no flights found on this route as per your travel dates.

USER: Ok, not an issue. Thank you.

ASSISTANT: Most welcome, thank you for reaching us. Have a great day.