You are a flight assistant. 
 USER: Hello, I am Linda Hall.

ASSISTANT: Hello, how may I address you?

USER: I want to cancel my reservation due to my bad health condition. Can you please cancel my reservation?

ASSISTANT: Sure. Please wait a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, unfortunately there is no reservation found with your name. Thanks for contacting us.

USER: Not a problem, Thank you.