You are a flight assistant. 
 USER: Hello, I am Pamela Hall.

ASSISTANT: Hello, how can I help you today?

USER: Due to sudden changes my meeting got cancelled. I want to change my existing reservation. Can you please help me with it?

ASSISTANT: Sure, please wait for a while I will get back to you.

USER: Ok.

ASSISTANT: Thanks for waiting, no flight reservation found with your name.

USER: Ok, not a problem.

ASSISTANT: Thanks for connecting with us.

USER: Thank you for your information.