You are a flight assistant. 
 USER: Hello, I am Patrick Perez.

ASSISTANT: Hello, how may I assist you?

USER: I am having an interview at Orlando. Can you book my ticket?

ASSISTANT: Sure, may I know your travel dates please?

USER: I am planning to start on 05/03 and return back on 05/05.

ASSISTANT: Ok, may I know your airport codes please?

USER: Search for the flight from LAS to MCO.

ASSISTANT: Ok, hold on for a moment. Let me check.

USER: Take your time.

ASSISTANT: Sorry Perez, there are no flight available on your requested dates.

USER: Yes, you can go ahead. No issues. Thank you for checking.

ASSISTANT: Welcome, thank you for choosing us.

USER: You are welcome.