You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I am Jacob Wright.

ASSISTANT: Ok.

USER: I want your help to cancel my ticket due to sudden change of our plan, can you please do it?

ASSISTANT: Sure.

USER: Thank you.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: Thanks for being patient. Sorry to say that, there is no reservation found on your given name.

USER: No problem, thank you.

ASSISTANT: Thank you for consulting us.