You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I oblige you today?

USER: I am Ronald Walker.

ASSISTANT: Ok.

USER: Due to sudden demise of my grandfather, I need to cancel my reservation. Can you help me out?

ASSISTANT: Ok, please give me a moment.

USER: Ok.

ASSISTANT: Unfortunately, no reservation found on your given name in our data base.

USER: Not an issue, thank you for your information.

ASSISTANT: Thank you for connecting with us.