You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help 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 am here to help you with this. May I know your name please?

USER: Thank you and my name is Christine Rodriguez.

ASSISTANT: Ok, please wait for a mean while.

USER: Sure.

ASSISTANT: Sorry Christine, there is no reservation found as per your name to cancel it in your database.

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

ASSISTANT: You are welcome.