You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I want to cancel my reservation because my childhood friend met with an accident.

ASSISTANT: Sure, let me know your name please for checking your reservation status.

USER: Sure, my name is Jerry Wright.

ASSISTANT: Jerry, please be on hold. Let me check. Sorry Jerry, I have not found any reservation by your name in our database.

USER: Ok, no problem. Thank you for your help.

ASSISTANT: Thank you very much for contacting us and have a nice day.