You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I want to cancel my reservation, so please help me in the cancellation.

ASSISTANT: Sure, we are happy to help you. May I know your good name to proceed further?

USER: I am Helen Collins.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Thanks for waiting, we did not find any active reservation on your name in our data base.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for opting us.