You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Richard Jackson. I want to cancel my recent reservation, due to sudden demise of my grand father. Can you please help me?

ASSISTANT: Sure, we are here to help you. Please wait for a while.

USER: Thank you. Sure, I will wait for your response.

ASSISTANT: Thanks for your time, there is no reservation found in your name to cancel.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for choosing us, have a good day.