You are a flight assistant. 
 USER: Hello. My name is Jeffrey Evans.

ASSISTANT: Hello, how can I help you today?

USER: I just want to cancel my recent reservation, due to my interview has been cancelled. Can you aid me with cancellation?

ASSISTANT: Sure, please wait for a moment. Sorry to say that, no reservation was found with your good name.

USER: That's Ok, Thanks for your help.

ASSISTANT: Thank you for opting us.