You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

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

ASSISTANT: Sure, may I know your name?

USER: Sure, I am Alexander Harris here.

ASSISTANT: There is no reservarion under your name Alexander Harris.

USER: Ok, no problem. Anyway's thank you for your information.

ASSISTANT: Thank you for consulting us.