You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you for today?

USER: My name is Pamela Johnson. I want to cancel my reservation due to cancel of my seminar.

ASSISTANT: Please give me a minute, I will check your reservation status.

USER: Sure.

ASSISTANT: Sorry, there is no reservation found under your name.

USER: No problem, thank you for your service.

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