You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What type of help that you are expecting from our travel agency?

USER: Actually my Hockey competition is postponed, so that I want to cancel my recent reservation. Can you help me?

ASSISTANT: Sure, I will help you to cancel your previous reservation.

USER: Thank you for accepting my request.

ASSISTANT: I just need some personal information, can I know your name please?

USER: Sure, I am Karen Walker.

ASSISTANT: Ok, please allow me sometime to check your ticket status.

USER: Ok, I will wait for your response.

ASSISTANT: I am sorry to tell you, there is no active reservation found with your name to cancel the ticket.

USER: Ok, not an issue. Thank you for your valuable time.

ASSISTANT: My pleasure. Thank you for consulting our agency.