You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I just want to cancel my recent reservation, as my NBA play offs match has been cancelled. Please cancel my ticket on the name of Betty Hernandez.

ASSISTANT: Ok, may I know your name? Ok, please wait.

USER: Sure.

ASSISTANT:  Sorry, no reservation was found on your name.

USER: No problem, thanks for your service.

ASSISTANT:  Thank you for reaching us.