You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: Can you please help me in cancelling my recent reservation?

ASSISTANT: Sure, please provide your name.

USER: I am Gregory Johnson.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Thank you for waiting, No reservation was found on your given name.

USER: No issues, thank you.

ASSISTANT: Thank you for opting us.