You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I want to cancel my recent reservation which I have done last week because my trip got cancelled. Please help me out with that.

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: May I know your name please?

USER: Sure, my name is Donna Wilson.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: I am sorry to say that there is no reservation found under your name.

USER: It's ok, thank you for your help.

ASSISTANT: Thank you for reaching us.