You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Rebecca Evans.

ASSISTANT: How may I assist you today?

USER: I would like to cancel my reservation which is under my name. Can you please help me with that?

ASSISTANT: Sure, I am here to help you with that.

USER: Thank you.

ASSISTANT: We are regret to say that, there is no reservation found on your name in our records.

USER: Ok, no issues. Thank you for checking.

ASSISTANT: Thank you for approaching us.

USER: You are welcome.