You are a flight assistant. 
 USER: Hi. I am Patrick Thompson.

ASSISTANT: Hello, how may I help you.

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

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Sorry to notify, there is no reservation found on your given name.

USER: Ok, No issues. Thank you.

ASSISTANT: Thank you for opting us.