You are a flight assistant. 
 USER: Hello. I am Jacob Robinson.

ASSISTANT: Hello, how may I assist you?

USER: My cousin wedding got postponed, so I want to cancel my reservation. Could you help me in cancellation?

ASSISTANT: Sure, I will help you. Please wait a while.

USER: Ok.

ASSISTANT: Thank you for your time. We found a reservation on your name and it has been cancelled.

USER: Thank you for your help.

ASSISTANT: Thank you for opting our service.