You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Could you please cancel my recent reservation due to cancel of my trip?

ASSISTANT: Sure, may I know your name?

USER: My name is Carol Williams.

ASSISTANT: Sure, please wait for a moment.

USER: Sure.

ASSISTANT: Sorry to say, no reservation found on your name.

USER: Not an issue, thanks for checking.

ASSISTANT: Thank you for reaching us.