You are a flight assistant. 
 USER: Hello, I'm Shirley Harris.

ASSISTANT: Hello, how can I guide you?

USER: I would like to go to somewhere with a cooler climate, so my friend suggested to go to Las Vegas, so could you please book a ticket from MCO to LAS?

ASSISTANT: Sure, can you please provide your travelling dates?

USER: I would like to travel on 07/20 and return back on 07/22.

ASSISTANT: Please wait for a moment.

USER: Ok sure, take your time.

ASSISTANT: Sorry for the inconvenience, there is no flight available on your requested dates.

USER: That's ok, I will go by road ways, thank you.

ASSISTANT: Most welcome. Have a great day.