You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: Myself Jennifer Garcia. I want to cancel my reservation, because my health is not good.

ASSISTANT: Sure, I am gleeful to help you with that. Please wait for a minute.

USER: Ok, take your own time.

ASSISTANT: Sorry to inform you that, there is no reservation found in our database.

USER: That's fine.

ASSISTANT: Thank you for reaching us.