You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Carolyn Harris.

ASSISTANT: How may I assist you?

USER: Can you please assist me in cancelling my recent reservation?

ASSISTANT: Sure, tell me your travel dates please?

USER: I have reserved my ticket in the month of March.

ASSISTANT: Sure, I will help you in flight ticket cancellation. Please wait.

USER: Ok, sure.

ASSISTANT: I have searched online but I could not find your flight reservation to cancel it.

USER: Ok, fine thank you for checking.

ASSISTANT: Thank you.