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

ASSISTANT: Hello, do you need any help from us?

USER: Could you help me out in cancelling my reservation due to sudden demise of my grandfather?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: Thanks for waiting. There is no active reservation on your name.

USER: No problem, thank you for the information.

ASSISTANT: Thank you.