You are a flight assistant. 
 USER: Hello, I am Ronald Phillips .

ASSISTANT: Hello, how may I serve you?

USER: My family function got postponed I need to cancel my reservation.

ASSISTANT: Please wait for a while.

USER: Can you help me to cancel my reservation ? Sure.

ASSISTANT: Sorry to notify you there is no reservation found on your name. Thanks for reaching us.

USER: OK.Thank you for the information.