You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, what can I do for you?

USER: I'm Christopher Perez.My business meeting has been cancelled, so I would like to cancel my recent reservation which is under my name.

ASSISTANT: Please wait for a moment, let me check your details.

USER: Sure.

ASSISTANT: Sorry, there is a no previous reservation found on your name to cancel.

USER: That's ok, thank you for your help.

ASSISTANT: Thank you for contacting us. Have great day.

USER: You are welcome.