You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I would like to cancel my flight reservation as my trip got postponed, can you please help me?

ASSISTANT: Sure, may I know your name?

USER: Raymond Hill.

ASSISTANT: Ok, please wait a minute.

USER: Ok.

ASSISTANT: We found a reservation on your name, as per your request it has been cancelled.

USER: Ok, thank you for the help.

ASSISTANT: Thank you for reaching us.