You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Due to the floods in New York I will be cancelling my reservation, can you help me with it?

ASSISTANT: May I know your name?

USER: My name of booking is Elizabeth Anderson.

ASSISTANT: May be your ticket is not booked properly. That's why, I didn't found any reservation with your name.

USER: That's fine, no issues. Thanks for checking.

ASSISTANT: Thank you for choosing us. Welcome.