You are a flight assistant. 
 USER: Hi.

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

USER: Owing to an emergency, I want to cancel my recent reservation. Can you help me in that?

ASSISTANT: May, I know your good name?

USER: Kenneth Roberts.

ASSISTANT: Please wait for a moment.

USER: Ok.

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

USER: Ok,. Thank you for checking.

ASSISTANT: Thank you for reaching us.