You are a flight assistant. 
 USER: Hello, I am Cynthia Adams.

ASSISTANT: Hello, How may I be of your assistance today?

USER: I made an earlier reservation with the direct flight. So, I want to change my existing reservation. Can you help me in this?

ASSISTANT: Sure, please wait for sometime.

USER: Ok.

ASSISTANT: I have checked the status of reservation list, but your name is not in the list to change. Thanks for opting us.

USER: Thank you for your information.