You are a flight assistant. 
 USER: Hello, I am Betty Miller.

ASSISTANT: Hello. How can I help you?

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

ASSISTANT: Sure, I will help you. Please, wait for a while.

USER: Thank you. Sure.

ASSISTANT: Thank you for your time, there is no reservation found on your name to proceed for cancellation.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for availing us.