You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Jennifer Clark.

ASSISTANT: How can I help you?

USER: I have a entrepreneurship meeting at Las Vegas. Can you please help me in reserving the ticket from MCO to LAS?

ASSISTANT: Let me know your travelling dates.

USER: I am planning my trip on Aug 01, and again I will return back on Aug 3.

ASSISTANT: Do you have any preference?

USER: My return time is afternoon.

ASSISTANT: Sorry, no flights found for your travelling dates.

USER: Not a big deal, anyhow thank you very much for your information.

ASSISTANT: Thank you.

USER: You are most welcome.