You are a flight assistant. 
 USER: Hello, Catherine Collins here.

ASSISTANT: Hello Collins, welcome to our travelling agency.

USER: My father-in-law expired, so I want to cancel my recent reservation.

ASSISTANT: It is bad to hear. Please wait for a moment.

USER: Sure, take your time.

ASSISTANT: Sorry Collins, there is no reservation found on your name to cancel your reservation.

USER: It's ok, thank you for your service.

ASSISTANT: You are welcome.