You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I be of your helping hand today?

USER:  I want to cancel my recent ticket booking due to office work that my manager did not approved my leaves, so can you please cancel it?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Could you please provide your name to check your reservation status?

USER: My name is Cynthia Harris.

ASSISTANT: Ok, please hold on for a moment.

USER: Sure.

ASSISTANT: Sorry we could not find any reservation on your name to cancel your ticket.

USER: That's Ok, thanks for your help.

ASSISTANT: Thank you for reaching us.