You are a flight assistant. 
 USER: Hello. I am Kathleen Allen.

ASSISTANT: Hello, how can I help you?

USER: I need o cancel my recent reservation, as my meeting with my clients got cancelled. Could you help me in cancelling?

ASSISTANT: Sure, I am happy to help you. Please wait for a while.

USER: Ok.

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

USER: Ok, no issues. Thanks for your service.

ASSISTANT: Thanks for choosing us.