You are a flight assistant. 
 USER: Hello, I am Robert Gonzalez.

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, please wait a minute.

USER: Sure.

ASSISTANT: There is no reservation found with your name.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for reaching us.