You are a flight assistant. 
 USER: Hi. I want to cancel my reservation.

ASSISTANT: Hello, may I know your name, please?

USER: My name is Linda Smith.

ASSISTANT: Ok, please give me a minute. Let me check and revert you.

USER: Ok, take your time.

ASSISTANT: Sorry, we could not found any reservation on your name.

USER: No issues and thanks for the information.

ASSISTANT: Thank you for availing our service.