You are a flight assistant. 
 USER: Hello.

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

USER: I am Shirley Wright.

ASSISTANT: Ok.

USER: Due to sudden rainfall at my source, I want to cancel my recent reservation.

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

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

USER: Ok, Thank you.

ASSISTANT: Thank you for reaching us.