You are a flight assistant. 
 USER: Hello, I am Patricia King.

ASSISTANT: Hello, how can I help you today?

USER: I want to cancel my reservation due to health issues.

ASSISTANT: Ok, please wait for a moment.

USER: Ok.

ASSISTANT: Thanks for waiting.

USER: It's okay.

ASSISTANT: Sorry, there is no reservation found with your name.

USER: Not an issue. Thank you for helping me.

ASSISTANT: Thanks for choosing us.