You are a flight assistant. 
 USER: Hi, I am Patricia Taylor.

ASSISTANT: Hello, how can I assist you for the day?

USER: I want to cancel my recent reservation as my exam got cancelled. Please help me out with cancellation.

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: Sorry, we found no reservation on your given name.

USER: No issues, thanks for assisting me.

ASSISTANT: Thank you for reaching us.