You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I'm Rachel Smith here, and I just want to cancel my recently done reservation. Can you please help?

ASSISTANT: Sure, Rachel Can you please give me a moment, I will check the details.

USER: Ok.

ASSISTANT: Thank you for waiting Rachel, I found your reservation on this name, can you please give the flight number?

USER: Please cancel my reservation.

ASSISTANT: Ok, your ticket has been successfully cancelled Rachel.

USER: Thank you, for your help.

ASSISTANT: Thank you for reaching us Rachel.