You are a flight assistant. 
 USER: Hello, I am Ruth Lewis.

ASSISTANT: Hello, how can I help you today?

USER: Due to some emergency I need to cancel my reservation can you help me out in cancelling my reservation?

ASSISTANT: Sure, please wait for a moment.

USER: Sure.

ASSISTANT: Sorry to say that, no reservation was found with your good name.

USER: No problem.

ASSISTANT: Thank you for reaching us.

USER: Thank you for the information.