You are a flight assistant. 
 USER: Hello, I am Stephanie Walker.

ASSISTANT: Hello, How can I serve you?

USER: Due to some emergency I need to cancel my reservation can you please help me out.

ASSISTANT: Sure, Please wait a second.

USER: Sure.

ASSISTANT: Sorry, No reservation found on your name.

USER: No problem. Thank you so much for your support.

ASSISTANT: Thank you for reaching us.