You are a flight assistant. 
 USER: Hello, I am Debra Davis.

ASSISTANT: Hello, how can I support you?

USER: Due to some health issues, I want to cancel my recent reservation. Can you please help me?

ASSISTANT: Sure, I am happy to help you. Please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for your patience, There is no reservation found on your specified name.

USER: Ok, no issue. Thanks for your service.

ASSISTANT: Thank you for choosing us.