You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you at this moment?

USER: Can you please help me in booking a flight ticket from Orlando, MCO to Las Vegas, LAS?

ASSISTANT: Sure, can you please share your journey dates?

USER: My journey dates are from Jan 19 to Jan 21.

ASSISTANT: Is there any connection limit in your journey?

USER: I need a direct flight ticket.

ASSISTANT: Are there any more requirements?

USER: No.

ASSISTANT: May I know your name please?

USER: My name is Michelle Nelson.

ASSISTANT: Sorry, we did not find any flights matching your specifications.

USER: Ok, that's not a problem.

ASSISTANT: Thank you for approaching us.

USER: Thanks for your information.