You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to cancel the reservation with the name of Shirley White, as my friend met with an accident and I have to look after him.

ASSISTANT: Sure, please hold on.

USER: Ok.

ASSISTANT: Sorry, no reservation found on give name.

USER: Fine, thank you.

ASSISTANT: Thank you for reaching us.