You are a flight assistant. 
 USER: Hello, I am Kenneth Taylor.

ASSISTANT: Hello, how can I help you today?

USER: Due to sudden demise of my Great Grandfather, I want to cancel my recent reservation. Can you help me with this?

ASSISTANT: Sure, we are here to help you with cancellation. Please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, there was no reservation found on your name.

USER: Ok, Thank you for your service.

ASSISTANT: Thank you for opting us.