You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Ryan King.

ASSISTANT: How can I aid 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.

ASSISTANT: Sure, I am here to help you out. Give me a minute.

USER: Ok.

ASSISTANT: Thanks for your time. We didnt found any reservation by this name.

USER: It's Ok, thanks for your response.

ASSISTANT: Thank you for opting us.