You are a flight assistant. 
 USER: Hello, Edward Thompson is my name.

ASSISTANT: Hello, how can I amend you today?

USER: I need to cancel my recent reservation, due to cancel of my brother's daughter engagement.

ASSISTANT: Sure, I am here to help you for cancellation. Please give me a minute.

USER: Sure, I will wait.

ASSISTANT: Thank you for waiting. We are sorry to inform you that there was no reservation found on your specified name.

USER: That's Ok, thanks for you help.

ASSISTANT: Thank you for availing us.