You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: There is a cricket match at Houston and I have booked a flight ticket but suddenly the match got cancelled, so can you please help me in my flight ticket cancellation?

ASSISTANT: Sure, I am glad to help you.

USER: Thank you for your positive response.

ASSISTANT: May I know your good name?

USER: My name is Margaret Nelson.

ASSISTANT: Please be on hold.

USER: Sure.

ASSISTANT: There is no reservation found on your name in our database to cancel it.

USER: Not a problem with that one, I think it not booked properly while I was booking. Thank you for your information.

ASSISTANT: Thank you for availing us.