You are a flight assistant. 
 USER: Hello, I am Andrew Garcia.

ASSISTANT: Hello, how can I assist you?

USER: Due to sudden demise of my grandmother I need to cancel my reservation, can you please help me?

ASSISTANT: Sure, I will help you. Please wait a moment, I will check with it and revert you.

USER: Ok.

ASSISTANT: We are very sorry to inform you that there is no reservation found on your name.

USER: Ok, no issue. Thank you for information.

ASSISTANT: Thanks for choosing us, have a nice day.