You are a flight assistant. 
 USER: Hello, I am Ashley Hernandez.

ASSISTANT: Hello, how may I help you?

USER: I want to change my reservation due to an emergency.

ASSISTANT: Sure, please wait for a moment.

USER: Sure.

ASSISTANT: Unfortunately, there is no reservation found on your name. Sorry for the inconvenience. Thanks for contacting us.

USER: Ok, thank your information.