You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

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

ASSISTANT: Sure, I am happy to help you. Can you please tell me your name?

USER: My name is Carolyn Williams.

ASSISTANT: Ok, please give me sometime.

USER: Sure.

ASSISTANT: Sorry to intimate you that, I haven't found any reservation with your name to cancel the ticket.

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

ASSISTANT: Most welcome. Thank you for approaching us.