You are a flight assistant. 
 USER: Hello, I am Samantha Martinez.

ASSISTANT: Hello, how may I help you today?

USER: Due to emergent I want to cancel my reservation can you please help me with that.

ASSISTANT: Sure, we are here to help you. Please stand by I will check the status and revert you.

USER: Ok.

ASSISTANT: Thank you for waiting, sorry to say there was no reservation found on your name.

USER: Thank you for your information.

ASSISTANT: Have a good day.