You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Ryan Adams here.

ASSISTANT: Adams, how can I assist you?

USER: By mistakenly, I was made a wrong reservation earlier in this week. So I want to cancel my reservation. Can you please help me for that?

ASSISTANT: Sure, I can help you.

USER: Ok.

ASSISTANT: Sorry, no reservation found.

USER: Thank you for the information.

ASSISTANT: Thank you for choosing us.