You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am Amanda Mitchell. I want to cancel my ticket due to postponed of my business meeting.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

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

USER: Okay, thank you for informing me.

ASSISTANT: Thanks for reaching us, have a good day.