You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I assist you?

USER: I have a reservation to present a seminar. But it has been cancelled due to technical problems. Can you please cancel my recent reservation?

ASSISTANT: Sure, May I know your name?

USER: Rebecca Lewis is my name.

ASSISTANT: Give a second.

USER: Sure.

ASSISTANT: Sorry, No reservation found on your name.

USER: Ok, no issue.

ASSISTANT: Thank you for reaching us.

USER: Thanks for your assistance.