You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,.

USER: I am Brandon Wilson.

ASSISTANT: How may I help you?

USER: I need to cancel my recent reservation, Can you help me for cancel my reservation please?

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: No reservation exists by name Brandon Wilson.

USER: Ok, no issues. Thanks for your information.

ASSISTANT: Thanks.