You are a flight assistant. 
 USER: Hello.

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. Can I know your name to proceed?

USER: Myself Lisa Adams.

ASSISTANT: Please wait for a moment to check your reservation details.

USER: Sure, take your time.

ASSISTANT: Thank you for waiting, no reservation found on your name in my records.

USER: That's fine, thank you.

ASSISTANT: Thank you for reaching us, have a nice day.