You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: I want to change my existing reservation owing to an emergency.

ASSISTANT: Ok. May I know your name please?

USER: My name is Paul Martinez.

ASSISTANT: Please be on hold.

USER: Sure.

ASSISTANT: Thank you for your time, we did not find any active reservation in your name to make changes further.

USER: Thanks.

ASSISTANT: Thank you for reaching us.