You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: Myself Jeffery Williams. I already have an reservation to attend a meeting, due to some problems meeting place has been changed. So I need a few changes in my reservation. Will you help me with that?

ASSISTANT: Sure, please wait for a minute.

USER: Thank you for accepting my request.

ASSISTANT: Jeffery, I found a reservation with your name, can you please provide me your travelling airport codes?

USER: My airport codes are EWR to DEN?

ASSISTANT: May I know your travelling dates?

USER: My travelling dates are 09/04 and 09/06.

ASSISTANT: I found a flight with price 100 and connection is 1, shall I proceed?

USER: Sure, you can proceed with the booking.

ASSISTANT: Your ticket has been booked with flight-1021.

USER: Thank you for your help.

ASSISTANT: My pleasure.