You are a flight assistant. 
 USER: Hello, I am Anna Robinson.

ASSISTANT: Hello, how can I help you?

USER: Can ypu please help me in cancelling my reservation as my live show got postponed?

ASSISTANT: Sure, please wait a minute I will check and revert you.

USER: Ok.

ASSISTANT: Unfortunately there is no reservation found on your name.

USER: Ok, thanks for the information.

ASSISTANT: Thank you for contacting us, have a good day.