You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I would like to cancel my recent reservation due to cancel of my seminar. Can you please help me?

ASSISTANT: Sure, I will help you to cancel your reservation. Please share me your name.

USER: I am Samantha Nelson.

ASSISTANT: Ok, please allow me a moment.

USER: Sure.

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

USER: No worries, thank you for the information.

ASSISTANT: Welcome, have a nice day.