You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Can you cancel my ticket? Because I need to attend to the burial services of my aunt.

ASSISTANT: Ok, may I know your name?

USER: I am Benjamin Smith.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: There is no reservation on your name in your database.

USER: Ok. Thank you.

ASSISTANT: Thank you for reaching us.