You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I guide 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: Sure, please hold on for a moment.

USER: Sure.

ASSISTANT: I am sorry, there are no reservations with your name. Can I know your name?

USER: I am Sandra Anderson.

ASSISTANT: Thank you, have a good day.

USER: Thank you.