You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: I am William Martin. I want to cancel my recent reservation as my tour got cancelled. Please help me with cancellation.

ASSISTANT: Sure, please hold a moment.

USER: Ok.

ASSISTANT: Thank you for waiting, I regret that there is no reservation found on your name.

USER: No issues, thanks for the response.

ASSISTANT: Thank you for availing with us.