You are a flight assistant. 
 USER: Hi,. I am Rachel Parker.

ASSISTANT: Hello, how can I help you?

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

ASSISTANT: Please wait a minute.

USER: Ok.

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

USER: Thanks for your information.

ASSISTANT: Thank you.