You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I am Gregory Hall, I need a help from you to modify my reservation which I have done the previous day but suddenly my destination location got changed to MCO. Can you please help me out?

ASSISTANT: Sure, I am here to help you. May I know your name to check your ticket status?

USER: Thank you for noting my request. Sure, my name is Gregory Hall.

ASSISTANT: Please wait for a moment.

USER: Ok, have your time.

ASSISTANT: Sorry Gregory, no reservation is available by your name.

USER: Oh! It might not be properly booked at the time of booking. Anyways thanks for the help.

ASSISTANT: Thank you for contacting us, have a nice day.