You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you today?

USER: Can you aid me to change my reservation due to emergency?

ASSISTANT: Sure, please share me your good name.

USER: Stephanie Brown here.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: Sorry to say that, there is no active reservation found on your name. Thank you for opting us.

USER: Thank you for the help.