You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how may I address you?

USER: Please cancel my recent reservation. I am Brandon Adams.

ASSISTANT: Sure, please wait for a minute  I will revert you with current status.

USER: Ok.

ASSISTANT: I am sorry to inform that there is no reservation found with your name.

USER: Thanks.

ASSISTANT: Thank you for reaching us.