You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what type of help you are willing to receive from our service?

USER: I have to cancel my previous flight ticket booking, can you help me?

ASSISTANT: Sure, I will help you with that. Can you please help me with your name so that I can find you a active reservation under your name?

USER: Thank you and my name is Kimberly Carter.

ASSISTANT: I have found a reservation under your name and as per your interest I have cancelled it.

USER: Oh! that's great, thanks for cancelling my flight ticket.

ASSISTANT: Most welcome. Hope you have a nice day.