You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am Rebecca Edwards. Can you please help me in cancelling my recent reservation?

ASSISTANT: Sure, I will help you. Please wait, let me check your reservation status.

USER: Ok, sure.

ASSISTANT: Sorry, I have not found any reservation on your name in our database.

USER: Ok, fine thank you for your help.

ASSISTANT: You are most welcome.