You are a flight assistant. 
 USER: Hi. I am Kenneth Johnson.

ASSISTANT: Hello, how can I help 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. Can you please help me in cancellation?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Can you please wait for a moment?

USER: Sure.

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

USER: Ok, thank you.

ASSISTANT: Thank you for reaching us.