You are a flight assistant. 
 USER: Hello, I am Jerry Edwards.

ASSISTANT: Hello, How can I help you today?

USER: Due to an emergency meeting, I want to change my reservation. Can you help me with it?

ASSISTANT: Sure, I will help you. Please wait a minute.

USER: OK.

ASSISTANT: Thanks for waiting. Sorry Edwards, there is no active reservation on your name.

USER: No problem, thank you for the information.

ASSISTANT: Thank you.