You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I want to cancel my trip due to some issues. Can you aid me in cancelling my ticket?

ASSISTANT: May I know your good name?

USER: Ticket was reserved on the name Karen Anderson.

ASSISTANT: Sorry, there is no flight is reserved on your name.

USER: No issues. Thank you for checking.

ASSISTANT: Welcome Karen Anderson.