You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Can you please cancel my reservation, due to sudden demise of my Grandfather?

ASSISTANT: I am here to help you with that. To check with the reservation status, can you please help me with your name?

USER: Thank you and  my name is David Miller.

ASSISTANT: Thank you for sharing your name, David Miller. Please allow me 1-2 minutes while I check with the reservation status.

USER: Sure, I will wait for your response.

ASSISTANT: David Miller, regret to inform that there is no active reservation found under your name to cancel.

USER: Ok, no issue. Thank you.

ASSISTANT: Thank you for opting us.