You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: I would like to cancel my recent reservation as my match got postponed.

ASSISTANT: Ok, please wait. I will check and  revert you.

USER: Sure.

ASSISTANT: May I know your name to proceed?

USER: I am William Miller.

ASSISTANT: Ok. We have gone through the database and there is no reservation found on your name.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for opting us.