You are a flight assistant. 
 USER: Hello. I am Brandon Miller.

ASSISTANT: Hello. How can I help you?

USER: I want to cancel my recent reservation which was reserved in the last week. Would it be possible to cancel it?

ASSISTANT: Yes, please wait a minute.

USER: Sure, I will wait for your response.

ASSISTANT: Thank you for waiting, sorry to inform no reservation found on your name.

USER: No issues, thank you for the information.

ASSISTANT: Thank you for choosing us, have a nice day.