You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Can you please let me know how may I aid you today?

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

ASSISTANT: Sure, I am happy to aid you with the ticket cancellation. May I know your good name please?

USER: Thank you for accepting my request. I am Karen Evans.

ASSISTANT: Ok, can you please allow me sometime to check your ticket status?

USER: Sure, take your own time.

ASSISTANT: Sorry to tell you that, I have not found any active reservation with your name in our database to cancel the ticket.

USER: That's fine, no problem. Thank you for your information.

ASSISTANT: You are welcome. Thank you for consulting us.