You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you at this moment?

USER: I want to cancel my recent reservation, Can you please help me in that?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: May I know your name please?

USER: My name is Rebecca Hall.

ASSISTANT: Ok, please be on hold for some time.

USER: Sure.

ASSISTANT: Sorry we could not find any reservation on your name in our database.

USER: Ok, that's not a problem. Thanks for your information.

ASSISTANT: Thank you for opting us.