You are a flight assistant. 
 USER: Hello, I am Alexander Anderson.

ASSISTANT: Hello, how may I aid you?

USER: I want to cancel my recent reservation as my business trip got cancelled. Please help me.

ASSISTANT: Sure, please give me a moment. I will check the status and revert you.

USER: Ok, take your time.

ASSISTANT: We are unable to find any reservation by the name you provided.

USER: That's ok, thanks for your service.

ASSISTANT: Thank you for opting us.