You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Katherine Perez here. Owing an emergency, I want to cancel my recent reservation. Can you please help me?

ASSISTANT: Sure, I will help you in cancelling your ticket. Ok, please wait a moment.

USER: Ok, take your time.

ASSISTANT: Thank you for waiting.

USER: My pleasure.

ASSISTANT: Sorry, there are no reservations found on this name. Thank you for choosing our services.

USER: Thank you for your information.