You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: My name is Brian Perez, and I want to cancel my recent reservation.

ASSISTANT: Sure, Please wait for a moment.

USER: OK.

ASSISTANT: Thank you for being patient. Sorry, No reservation found with your name.

USER: Thank you for your valuable information, I appreciate your service.

ASSISTANT: Thank you for your time.