You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Katherine Roberts here.

ASSISTANT: How can I help you for the day?

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

ASSISTANT: Sure, I will help you with this. Please give me a moment to check your reservation status.

USER: Sure.

ASSISTANT: Katherine Roberts, there is no active reservation found under your name in our database.

USER: Ok, not an issue. Thank you for the information.

ASSISTANT: Thank you for opting us.