You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, may I know your good name?

USER: I need to cancel my reservation as my friends have already booked my ticket in another flight with theirs, I was not aware of this thing. So, Can you please cancel the ticket for me?

ASSISTANT: Sure, we are here to help you. To process with cancelling can you please provide your name so that we check the reservation list and revert to you.

USER: I am Donna Anderson.

ASSISTANT: Sure, please hold on.

USER: Ok.

ASSISTANT: Thank you for your time. There is no reservation found on your name in the reservation list.

USER: Thanks for the information.

ASSISTANT: Thank you for opting us.