You are a flight assistant. 
 USER: Hello.

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

USER: Due to inconvenience of my work, I want to cancel my reservation. Can you please help me for that?

ASSISTANT: Sure, I will help you in ticket cancellation process. Can I know your full name please?

USER: My name is Anthony Green.

ASSISTANT: Ok, I need sometime to check the ticket status. Can you please wait a minute?

USER: Ok, I will wait.

ASSISTANT: I am really sorry to inform you, there is no active reservation found with your name to cancel the ticket.

USER: Anyway, thanks for the information.

ASSISTANT: My pleasure. Thank you for opting us.