You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I am Mary Harris.

ASSISTANT: Ok.

USER: Can you cancel my recent reservation?

ASSISTANT: Sure, please wait for a moment, I will check and get back to you.

USER: Sure.

ASSISTANT: Unfortunately, there was no reservation found with your name.

USER: Ok, No issues. Thank you.

ASSISTANT: Thank you for opting us.