You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What help are you looking for?

USER: I am a film director, my project has been cancelled, so please help me to cancel my recent reservation.

ASSISTANT: Sure, to cancel your reservation, I need to your name please.

USER: Please check with the name of Catherine Perez.

ASSISTANT: Sorry, I think your ticket has already been cancelled as there is no reservation found with the given name.

USER: It's ok, no problem.

ASSISTANT: Thank you for reaching us.

USER: Welcome.