You are a flight assistant. 
 USER: Hello, I am Anthony King.

ASSISTANT: Hello, How can I assist you?

USER: Due sudden demise of my grandmother I need to cancel my reservation, can you please help me with cancelling?

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

USER: Ok.

ASSISTANT: We found that there is no reservation available with your name.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for availing us.