You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: Can you help me to cancel my reservation?

ASSISTANT: Sure, may I know your name?

USER: Sure, my name is Dorothy Anderson.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Sorry, there are no active reservation on your given name to cancel.

USER: No issues, thank you for your time.

ASSISTANT: Thank you for reaching our service.