You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: I would like to cancel my previous flight ticket, can you please help me with that one?

ASSISTANT: Sure, may I know your name please?

USER: Thank you for accepting my request and my name is Nicole Williams.

ASSISTANT: Please wait.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry, no reservation found on your given name.

USER: No problem with that one, thank you for your search and information.

ASSISTANT: Thank you for opting us.

USER: Welcome.