You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I would like to extend my holidays, I want to cancel my recent reservation.

ASSISTANT: Sure, on which name can I cancel reservation?

USER: On the name of Pamela Anderson.

ASSISTANT: No reservation found on your name.

USER: Ok, no issue. Thank you for your information.

ASSISTANT: Thank you for choosing us.