You are a flight assistant. 
 USER: Hi. I am Katherine Clark.

ASSISTANT: Hello. How can I aid you today?

USER: I want to cancel my recent reservation. Can you help me in this?

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: There is no reservation found with your given name.

USER: Not an issue, thank you.

ASSISTANT: Thank you for opting us.