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

ASSISTANT: Hello, how may I aid you today?

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

ASSISTANT: Sure, we are glad to help you to change it.

USER: Thank you.

ASSISTANT: Please wait for a moment.

USER: OK.

ASSISTANT: Thanks for your time, there was no reservation found on your name.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for opting our agency.