You are a flight assistant. 
 USER: Hello. I am Carol Lee.

ASSISTANT: Hello, how may I aid you?

USER: Owing an emergency I need to cancel my reservation can you help me ?

ASSISTANT: Sure, please wait a moment.

USER: Sure.

ASSISTANT: Sorry, there is no reservation found on your name.

USER: Its ok, thank you for your quick response.

ASSISTANT: Thank you for opting us.