You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I serve you today?

USER: Owing to an emergency, I want to change my reservation. Can you please help me with that?

ASSISTANT: Sure, we are glad to help you.

USER: Thank you.

ASSISTANT: May I know your good name please?

USER: I am Deborah Edwards.

ASSISTANT: We are regret to inform you that there is no active reservation on your name in our records.

USER: Ok, no issues.

ASSISTANT: Thank you for availing us.

USER: Thank you.