You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Due to some health issue i want to cancel my recent reservation can you please help me out in canceling my reservation.

ASSISTANT: Sure, I am happy to help you. Can you please provide your name?

USER: I am Brian Phillips.

ASSISTANT: OK, wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting. Sorry to say you there is no reservation found on your name.

USER: Thank you, for the information.

ASSISTANT: Thank you for choosing us.