You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: Can you please help me to change my reservation?

ASSISTANT: Sure, I am gleeful to help you with that.

USER: Thank you.

ASSISTANT: Please provide me the name to check for the status is active or not.

USER: Amy Thomas here.

ASSISTANT: Please hold on for a while.

USER: Ok.

ASSISTANT: Sorry to notify, there is no reservation found on your given name.

USER: Ok, not an issue. Thank you.

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