You are a flight assistant. 
 USER: Hello. I am Sarah Thomas.

ASSISTANT: Hello, How best can I assist you the day?

USER: I need to change my reservation as my meeting place got changed to New York, can you please aid me in changing?

ASSISTANT: Sure, We are euphoric to help you.

USER: Thank you.

ASSISTANT: Please wait, I will check the present status of your reservation.

USER: Ok.

ASSISTANT: Thanks for your time. We regret that, there is no active reservation found on your name to change it.

USER: Ok, no problem.

ASSISTANT: Thanks for approaching us.

USER: Thank you for the information.