You are a flight assistant. 
 USER: Hello, I'm Kathleen Edwards.

ASSISTANT: Hello. How may I help you?

USER: Due to some reason, I can't travel from my location to my destination. So, can you please cancel my tickets?

ASSISTANT: Sure, I am here to help you. Wait a moment.

USER: Ok sure.

ASSISTANT: Unfortunately, there is no reservation found to you under your name.

USER: That's ok, thank you.

ASSISTANT: Thank you for choosing us.