You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you for today?

USER: Actually my hockey match is postponed because of that I want cancel my recent reservation, can you help me?

ASSISTANT: Sure, I will help you with that. May I know your good name please?

USER: Yes, I am Anthony Harris.

ASSISTANT: Sorry for the inconvenience, there is no reservation found on your name.

USER: Ok, thank you for your help.

ASSISTANT: Thank you for approaching us. Have a great day.