You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER:  I want to cancel my reservation, as I am no longer interested in that trip, as most of my friends are not attending.

ASSISTANT: Ok, its so unfortunate, please wait for a moment. Can I know your good name?

USER: My name is Brenda Roberts.

ASSISTANT: Sorry Brenda, there is no active reservation found on your name.

USER: It's ok, thank you for the information.

ASSISTANT: Thank you for reaching us.

USER: You are welcome.