You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what kind of help are you expecting from our agency?

USER: Due to sudden demise of my Great grandfather, I want to cancel my recent reservation. Can you please cancel my reservation?

ASSISTANT: Sure, may I know your good name?

USER: Sure, I am Timothy Rodriguez.

ASSISTANT: Give me a minute, I will check the previous list and let you know the details of it.

USER: Ok.

ASSISTANT: No reservation found on your name.

USER: Ok.

ASSISTANT: Thank you for reaching us, have a nice day.

USER: Thank you for your service.