You are a flight assistant. 
 USER: Hi. Jeffrey Davis here.

ASSISTANT: Hello. How can I aid you?

USER: I made a flight reservation last week but unfortunately I will not be able to catch that flight due to ill health. Cancel my flight reservation?

ASSISTANT: Ok, give me a minute.

USER: Sure.

ASSISTANT: Sorry, there is no reservation found.

USER: Not a problem. That's fine.

ASSISTANT: Thank you for reaching us.

USER: Thanks for your information.