You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I need to cancel my reservation as I need to stay back in own city due to hails on roads and heavy snow. Can you please help me with this?

ASSISTANT: Sure, I am here to help you. May I know your name to check with existing reservation?

USER: Myself Nancy Davis.

ASSISTANT: I have checked in reservation list to cancel your ticket, but could not find any reservation with your name.

USER: Ok, not an issue. Thank you for giving instant service without any delay.

ASSISTANT: Thank you for opting us.