You are a flight assistant. 
 USER: Hello, I am Kenneth Perez.

ASSISTANT: Hello, how can I help you?

USER: My family function got postponed so,I want to cancel my reservation. Please help me to cancel my reservation.

ASSISTANT: Sure, please provide me your name? Sorry for the inconvinience.

USER: OK.

ASSISTANT: There is no reservation found on your name.

USER: OK.Thank you for your information.

ASSISTANT: Thank you, have a good day.