You are a flight assistant. 
 USER: Hello. I am Linda Brown.

ASSISTANT: Hello, how may I best amend you today?

USER: I want to cancel my reservation due to sudden demise of my grandfather.

ASSISTANT: Ok,my  condolence to your family.

USER: Can you help me?

ASSISTANT: Sure, please wait.

USER: Okay.

ASSISTANT: Thank you for waiting, there is no reservation found on your name in our reservation data list.

USER: Ok, thanks for informing.

ASSISTANT: Thank you for connecting us.