You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, What kind of service you are expecting from us?

USER: Owing to an emergency, my business conference got cancelled. So I had a request to you to cancel my existing reservation?

ASSISTANT: Ok, please provide your name to proceed further.

USER: Sure, my name is Ronald Collins.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT:  Thank you for waiting. I have checked in reservation list to cancel your ticket, but could not find any reservation with your name.

USER: Ok, no issues. I appreciate your service.

ASSISTANT: Thank you for being with us.