You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I want to cancel my father's reservation because he is unwell, can you please help me out?

ASSISTANT: Ok, may I know your name?

USER: The reservation was done on the name of Kevin Harris.

ASSISTANT: Your reservation is not found under your name.

USER: Not an issue, anyway thank you for checking.

ASSISTANT: Most welcome.