You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How can I rend you today?

USER: My name is Dennis Young.

ASSISTANT: Ok.

USER: I want to cancel my recent reservation due to heavy rainfall.

ASSISTANT: Sure, we are here to aid you. Please, wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, unfortunately there is no reservation found on your name.

USER: Not an issue, thanks for your help.

ASSISTANT: Thank you for availing us.