You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I help you today?

USER: I want to cancel my recent reservation.

ASSISTANT: Sure, May I know your name please?

USER: Yes, I am John Harris.

ASSISTANT: OK, please wait. I will check and get back to you.

USER: OK.

ASSISTANT: Thank you for waiting. Sorry, there is no reservation found on your name.

USER: Thanks for the information.

ASSISTANT: Thank you for reaching out to us and have a great day.