You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Anna Anderson here.

ASSISTANT: How can I help you?

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

ASSISTANT: Sure, please be on hold.

USER: Ok, I will wait.

ASSISTANT: There is no reservation found under your name to do cancellation.

USER: Anyway, thanks for the information.

ASSISTANT: Thank you for choosing us.