You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I met with an accident, I am unable to move, so I would like to cancel my recent reservation.

ASSISTANT: Ok, may I know your name?

USER: Myself Carol Phillips.

ASSISTANT: Ok. Carol, there is no reservation with your name.

USER: Ok, no problem, thank you for your information.

ASSISTANT: Most welcome.