You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you at this moment?

USER: I want to cancel my recent reservation due to cancel of my seminar. Could you please help me?

ASSISTANT: Sure, I am here to help you with this. Can you please provide your name to check your reservation status?

USER: I am Andrew Perez.

ASSISTANT: Wait a moment please.

USER: Sure.

ASSISTANT: Andrew Perez, I have found your reservation in our database. Would you like me to cancel it?

USER: Yes, please cancel it.

ASSISTANT: Your reservation has cancelled successfully.

USER: Thank you for your assistance.

ASSISTANT: Thank you for utilizing our service.