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 will help you with cancellation.

USER: Thank you.

ASSISTANT: May I know your good name?

USER: My name is Patricia Hernandez.

ASSISTANT: Please wait for a moment, while I search for the reservation.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry there is no reservation found on your name in our system data.

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

ASSISTANT: Thank you for visiting us, we hope see you again.