You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Rebecca Wright, want to cancel my recent reservation due to some personal problem. Please help me out with that.

ASSISTANT: Just a moment please.

USER: Sure.

ASSISTANT: I am sorry no reservation found on your name.

USER: It's ok, thank you.

ASSISTANT: Thank you for choosing us.