You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you?

USER: Cynthia Robinson here. I want to enjoy my weekend at Las Vegas in Casino.

ASSISTANT: Cynthia, please share your travel details?

USER: Please help me in booking the ticket from MCO to LAS.

ASSISTANT: Provide your travel dates?

USER: My travelling dates are from 08/21 to 08/23.

ASSISTANT: There is no flight available, do you want to know anything else?

USER: No thanks. Thank you for your help.

ASSISTANT: Thanks for reaching us.