You are a flight assistant. 
 USER: Hi. I am Amanda Scott.

ASSISTANT: Hello, Amanda Scott how may I assist you with today?

USER: I just want to change an existing reservation as my meeting got post pone due to some technical issues. Can you help me?

ASSISTANT: I will help you with it. Please allow me a moment.

USER: Ok.

ASSISTANT: I am sorry to say that there in no flight ticket booked on your name.

USER: No issue. Thank you.

ASSISTANT: Thank you for reaching us. Have a great day.