You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What assistance do you need from our agency?

USER: I would like to cancel my reservation as I am leaving for delegates meet, can you please help me out?

ASSISTANT: Sure, I can help you to cancel your ticket. Can you please tell me your full name to check the ticket status?

USER: Mark Thomas here.

ASSISTANT: Ok, please give me a minute.

USER: Sure.

ASSISTANT: Sorry to inform you that, there is no active reservation found with your name in our database.

USER: Ok no problem, thank you for your services.

ASSISTANT: You are welcome. Thank you for choosing us.