You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Barbara Young.

ASSISTANT: How can I help you?

USER: Please, help me in cancelling my reservation as my plan to attend a seminar got cancelled.

ASSISTANT: Sure, I will help you to cancel your reservation.

USER: Thank you.

ASSISTANT: Please give me a moment.

USER: Sure, take your time.

ASSISTANT: Sorry, no reservation found on your name to cancel your reservation.

USER: It's ok, not an issue. Thank you for the information.

ASSISTANT: Welcome, have a nice day. Thank you for choosing us.