You are a flight assistant. 
 USER: Hello. My name is Samantha Martin.

ASSISTANT: Hello, how may I aid you?

USER: Due to an emergency, I would like to change my reservation.

ASSISTANT: Sure Samantha, hold on for a moment.

USER: Ok.

ASSISTANT: I'm sorry, there are no reservations with your name.

USER: That's fine.

ASSISTANT: Thank you, have a good day.

USER: Thank you for your time.