You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: Can you please help me to cancel my reservation due to heavy rains at my destination place?

ASSISTANT: Sure, I am gleeful to help you with that.

USER: Sure, I am Karen Harris.

ASSISTANT: May I know your name for checking your previous reservation status? Ok, please wait for a while.

USER: Sure.

ASSISTANT: I have found your previous reservation on your name and cancelled it successfully.

USER: Thank you.

ASSISTANT: Most welcome, thank you for reaching us. Have a great day.