You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

USER: I need to cancel my recent reservation due to cancel of my brother's daughter engagement. Can you please help me with?

ASSISTANT: Sure, could you please provide your name?

USER: My name is Linda Davis.

ASSISTANT: Sorry, there is no reservation on your name.

USER: That's ok. Thanks for the help.

ASSISTANT: Thank you, have a nice day.