You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I would like to cancel recent reservation, can you help me in that?

ASSISTANT: Sure, may I know your name?

USER: Thank you for accepting the request. Myself Jeffrey Lopez.

ASSISTANT: Jeffery Lopez, there is no reservation found under your name.

USER: That's ok, no problem. Thank you for the information.

ASSISTANT: Thank you for using our service.