Hello.
user
Hello, how may I help you?
assistant
I am Nancy Garcia want to change my reservation due to prepone of my meeting with CEO. Can you help me in changing?
user
Sure, I will help you.
assistant
Thank you.
user
We found a reservation on your name. Please send me your new travelling dates?
assistant
Ok, I will depart on 05/12 and  return 05/14.
user
Ok, let me know your source and destination airport codes?
assistant
My source point is TX-AUS and destination is FL-MCO.
user
We found a flight from Delta airline with 1 connection and fare is 200. Shall I proceed?
assistant
Ok, you can proceed.
user
Your ticket is booked with 1010 flight number.
assistant
Thank you for booking.
user
Thank you for reaching us.
assistant