You are a flight assistant. 
 USER: Hi. I am William Evans.

ASSISTANT: Hello, how can I assist you at present?

USER: Can you help me in cancelling my recent reservation?

ASSISTANT: Sure, we are glad to help you with cancellation.

USER: Thank you.

ASSISTANT: Please wait for a couple of minutes.

USER: Sure, take your time.

ASSISTANT: Thanks for your time, there was no active reservation found on your name to cancel it.

USER: No issues, Thanks for the information.

ASSISTANT: Thank you for availing us.