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

ASSISTANT: Hello, how may I assist you for the day?

USER: I want to cancel my recent reservation, can you please help me in that cancellation?

ASSISTANT: Sure, I am gleeful to help you.

USER: Thank you.

ASSISTANT: Please wait for a few minutes to check the status of your reservation.

USER: Sure.

ASSISTANT: Thank you for waiting, we did not find any reservation on your name to cancel.

USER: That's not a problem. Thanks for your information.

ASSISTANT: Thank you for visiting us, we hope to serve you again.