You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I just want to cancel my recent reservation, due to my trip with my friends has been cancelled. Can you please help me with cancellation?

ASSISTANT: Sure, I am here to help you for this. May I know your name please?

USER: Thanks for accepting my request, my name is Christine Young.

ASSISTANT: Please wait for couple of minutes.

USER: Sure.

ASSISTANT: Sorry to inform you, no reservation is found under your name to cancel.

USER: Ok, thanks for your information.

ASSISTANT: Thank you very much for approaching our agency.