You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Nancy Davis.

ASSISTANT: How can I help you?

USER: I want to cancel my recent reservation, due to heavy rains. Can you please help me?

ASSISTANT: Sure Davis, I will help you to cancel. Give me a moment.

USER: Ok, take your own time.

ASSISTANT: Sorry Davis, there is no reservation found on your name to cancel.

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

ASSISTANT: Welcome.