You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you today?

USER: I am planning to visit my friend at Charlotte to celebrate his birthday. Can you book a direct flight for me?

ASSISTANT: Sure, let me know your planned  journey dates?

USER: I will fly on Sept 6 and return on Sept 8.

ASSISTANT: May I know your source and destination codes?

USER: My source point is MCO and destination is CLT.

ASSISTANT: Do you have any other specifications related to booking?

USER: No, I do not have any other requirement.

ASSISTANT: Can you please share your good name?

USER: My name is Debra Rodriguez.

ASSISTANT: Thanks for providing your name, there is no flight found on your desired routes.

USER: Thank you for the information.

ASSISTANT: Thank you availing us.