You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Due to heavy floods in my locality, I couldn't reach the airport on time. Could you help me in cancelling my recent reservation?

ASSISTANT: Sure, may I know your name please?

USER: Previously, I have reserved my ticket with the name of Cynthia Hernandez.

ASSISTANT: Ok, hold on for a moment. Let me check.

USER: Sure.

ASSISTANT: Sorry Cynthia, there are no flights reserved on your name.

USER: May be there is a mistake during my previous booking.

ASSISTANT: May be, thank you for opting us. Have a good day.

USER: Welcome.