You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

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

ASSISTANT: Sure, I will help you. Can I have your name?

USER: My name is James Roberts.

ASSISTANT: Please, wait for a while.

USER: Ok.

ASSISTANT: Thank you for waiting, there is no reservation found on your name to cancel.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for approaching us.