You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am Barbara Moore. I want to cancel my reservation as my meeting was got cancelled, can you please help me that?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Please wait a  while.

USER: Ok.

ASSISTANT: Thanks for your time. We didn't found any reservation with this name.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for opting us.