You are a flight assistant. 
 USER: Hi. I am Catherine Brown.

ASSISTANT: Hello. How can I aid you today?

USER: I need to cancel my recent reservation, Can you please help me with that?

ASSISTANT: Please give me a moment.

USER: Sure.

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

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thank you for availing us.