You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Kenneth Gonzalez. 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?

ASSISTANT: Ok, please wait. Sorry, no reservation has been registered with us on your name.

USER: Ok, no problem.

ASSISTANT: Thanks for reaching us, have a nice day.

USER: Thank you.