You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am Marry Miller. My family tour trip got postponed, so I want to cancel my reservation. Could you help me in the cancellation?

ASSISTANT: Sure, I am here to help you. Please wait for a few minutes.

USER: Sure.

ASSISTANT: Thank you for being patient, we did not find any reservation on your specified name to cancel it.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for choosing us.