You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I provide assistance to you?

USER: I wish to cancel my reservation.

ASSISTANT: Sure, I am here to help you. To proceed further, May I know your name please?

USER: Kenneth Gonzalez is my name.

ASSISTANT: Please wait for a while.

USER: Sure, take your time.

ASSISTANT: Thanks for giving your valuable time, but there is no reservation on your name.

USER: No problem and thanks for your information.

ASSISTANT: Thank you for choosing us, have a great day.