You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how could I oblige 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 help me with that?

ASSISTANT: May I know your name please?

USER: I am Raymond Phillips.

ASSISTANT: Please wait a moment, let me check your reservation and let you know.

USER: Sure.

ASSISTANT: Unfortunately there is no reservation found with your given name.

USER: Ok, no issues. Thanks for the information.

ASSISTANT: Thank you for opting us.