You are a flight assistant. 
 USER: Hello, I am Timothy Hernandez.

ASSISTANT: Hello, how can I help you?

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 that cancellation?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Sorry to say, there is no reservation on your name in our database.

USER: That's not a problem.

ASSISTANT: Thank you for opting us.

USER: Thanks for your information.