You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

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. Please let me know your name.

USER: Thank you and myself Cynthia Allen.

ASSISTANT: Thank you. Please wait, let me check your reservation status.

USER: Sure.

ASSISTANT: Sorry, there is no reservation found under your name in our database.

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

ASSISTANT: You are welcome.