You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Can you find a flight from ORD to CLT?

ASSISTANT: Sure, may I know your travelling dates?

USER: Myself Barbara Jones. My travelling dates are 06/05 and 06/07.

ASSISTANT: Sorry, there is no flight available at your request.

USER: Oh! that is fine.

ASSISTANT: Thank you for reaching us.

USER: Thank you.

ASSISTANT: You are welcome.