You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Kenneth Hall. I want to cancel my reservation, due to my health issues, can you help me in the cancellation?

ASSISTANT: Sure, we are here to help you. Please wait a moment, I will check your details and get back to you.

USER: Sure.

ASSISTANT: Sorry to inform you that there is no reservation found on the name Kenneth Hall.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for contacting us.