You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I address 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, please provide your name to cancel your ticket.

USER: Myself Brenda Smith.

ASSISTANT: I have gone through the reservation list but I didn't found any active reservation on your name which has been provided by you.

USER: Oh! may be, I did not done my reservation properly at that time. Anyway, thank you for your help.

ASSISTANT: It's Ok,Thank you for choosing us.