You are a flight assistant. 
 USER: Hello, I am Pamela Brown.

ASSISTANT: Hello, how can I serve you today?

USER: Can you please cancel my reservation as the program which I want to attend got postponed?

ASSISTANT: Sure. Please, wait for a while.

USER: Ok.

ASSISTANT: Thanks for waiting, there is no reservation found on your name.

USER: It's ok, thank you for your response.

ASSISTANT: Thank you.