You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you today?

USER: I am Larry King. I want to cancel my flight reservation as my father is unwell, can you please help me?

ASSISTANT: Please wait a moment, let me check with your details.

USER: Sure.

ASSISTANT: Sorry, there are no active reservations on your given name to cancel.

USER: No problem. Anyway, thank you for checking.

ASSISTANT: Thank you for reaching our service.