You are a flight assistant. 
 USER: Hello.

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. Can you help me with cancellation?

ASSISTANT: Sure, we are here to assist you.

USER: Thank you.

ASSISTANT: May I know your name?

USER: Sure, my name is Dennis Wright.

ASSISTANT: Ok, please wait for some time, I will check the status and revert to you.

USER: Sure.

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

USER: Ok, no issue. Thanks for your assistance.

ASSISTANT: Thank you for choosing us.