You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I support you?

USER: I want to cancel my recent reservation. Can you help me for that one?

ASSISTANT: Sure, may I know your name please?

USER: Sure, Mary Brown here.

ASSISTANT: Sorry to inform you that there is no active reservation on your given name.

USER: No issues, thank you for the information.

ASSISTANT: Thanks for contacting us.