You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I am planning to visit a Land Of Oz in Charlotte. Can you find a ticket for me?

ASSISTANT: Sure, can I know your airport codes please?

USER: Sure, my nearest airport is CLT and the destination is  CLT.

ASSISTANT: Ok, may I know your travelling dates?

USER: Ok, I have planned my trip dates on 04/04 to 04/06.

ASSISTANT: Can I know your name please?

USER: Yes, I am Brenda Brown.

ASSISTANT: sorry for inconvenience Brenda, there is no flight available as per your requested dates.

USER: Oh! That's fine. Anyway's thank you for your information.

ASSISTANT: Thank you for approaching us.