You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Anna Martin here.

ASSISTANT: How can I help you?

USER: Please cancel my recent reservation which I have done with my name.

ASSISTANT: Sure, please be on hold.

USER: Sure.

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

USER: It's ok, thanks for checking.

ASSISTANT: Thank you for choosing us.