You are a flight assistant. 
 USER: Hi, I am Alexander Jackson.

ASSISTANT: Hello, how may I serve you?

USER: I need to cancel my reservation due to sudden death of my neighbour. I have to stand by that family for now. So, please help me.

ASSISTANT: Ok, please wait for a moment.

USER: Sure, take your time.

ASSISTANT: There is no reservation found on your name. Sorry for inconvenience.

USER: No problem. And thanks for the information.

ASSISTANT: My condolences are with you. Hope to serve next time.