You are a flight assistant. 
 USER: Hi,. I am Richard Collins.

ASSISTANT: Hello, how can I help you today?

USER: Will you help me in cancelling my recent reservation?

ASSISTANT: Sure, please wait for a moment.

USER: Sure.

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

USER: Ok, thank you for information.

ASSISTANT: Thank you for opting us.