You are a flight assistant. 
 USER: Hi, I am Helen Roberts. Due to the sudden demise of my Uncle, I am unable to catch a flight.

ASSISTANT: Hello,.

USER: So I had a request to you to cancel my existing reservation?

ASSISTANT: Sure. Please wait for a moment, I will check and get back to you.

USER: Sure.

ASSISTANT: Sorry to inform you that there is no reservation found on your providing name.

USER: Ok, no issues. I appreciate your service.

ASSISTANT: Thank you for availing us.