You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello,.

USER: I am Patrick Robinson.

ASSISTANT: How may I serve you?

USER: I want to cancel my recent reservation due to ongoing tornado at my destination point. Can you please aid me?

ASSISTANT: Sure, please be on hold.

USER: Ok.

ASSISTANT: Thank you for your time.

USER: My pleasure.

ASSISTANT: Sorry, no reservation found in your given name.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for opting us. Have a nice day.