You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I just wants to cancel the reservation, as my friend met with an accident.

ASSISTANT: May I know your name?

USER: On the name of Kevin Davis, the reservation was there.

ASSISTANT: There is no reservation on your name.

USER: Ok. Thank you for your kind information.

ASSISTANT: Thank you.