You are a flight assistant. 
 USER: Hello, I am Melissa Brown.

ASSISTANT: Hello.

USER: I want to attend small occasion at FL - MCO.

ASSISTANT: Can you please provide me your source  code and travelling dates?

USER: My scheduled dates of journey from 11/26 to 11/28. My origin point: CA - LAX. I need a direct flight.

ASSISTANT: Ok, please wait for a while I will check the availability and get back to you.

USER: Sure.

ASSISTANT: Sorry, I found no flight in your given details.

USER: Ok, no problem. Thank you for your sevice.

ASSISTANT: Thank you for choosing us. Have a nice day.