You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve 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.

USER: Thank you.

ASSISTANT: May I know your name please?

USER: Myself Daniel Evans.

ASSISTANT: Ok, please wait for a mean while.

USER: Sure, take your time.

ASSISTANT: Sorry Evan, there is no active reservation found on your name to cancel it.

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

ASSISTANT: You are welcome.