You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you today?

USER: Owing to an emergency, my meeting with client got cancelled, so I want you to cancel my recent reservation.

ASSISTANT: Sure, I am glad to help you with the ticket cancellation. I need some basic information to check your ticket details, can you please tell me your full name?

USER: Sure, Patrick Garcia here.

ASSISTANT: Ok, please wait a minute I will get back to you with the present status.

USER: Sure.

ASSISTANT: I am very sorry to inform you that there is no reservation found under your name in our database.

USER: Ok, no issues.

ASSISTANT: Thank you for choosing us.

USER: Thank you.