You are a flight assistant. 
 USER: Hello. I am Jacob Hall.

ASSISTANT: Hello, how can I assist you for the day?

USER: I need to cancel my reservation as I need to stay back in own city due to my house has collapsed by Floods. Could you please help me?

ASSISTANT: Sure, I am here to help you. Please wait for a moment.

USER: Sure.

ASSISTANT: Sorry, we found no reservation on your given name.

USER: No worries, thank you for the information.

ASSISTANT: Thank you for reaching us.