You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you now?

USER: My name is Catherine Hernandez, could you do me a favour in making my reservation from ORD to CLT?

ASSISTANT: Sure, I will help you in booking the flight ticket. Can you please provide me the  travelling dates of your journey?

USER: Sure, my travelling dates are from 08/08 to 08/10.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Sorry Catherine, there are no flights found on your requested dates.

USER: It's ok, thank you for the information.

ASSISTANT: Thank you for approaching us, have a nice day.