You are a flight assistant. 
 USER: Hi, I am Nicole Garcia.

ASSISTANT: Hello, how may I assist you?

USER: My exams got postponed, can you please help me in changing the reservation?

ASSISTANT: Sure, please wait a moment, I will check and get back to you.

USER: Ok.

ASSISTANT: We found a reservation on your name, can you please provide me your airport codes?

USER: My airport codes are from Orlando, FL-MCO to Austin, TX-AUS.

ASSISTANT: May I know your new trip dates?

USER: My trip dates are from 12/01 to 12/03.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: We found a flight on your details with airline AA, flight number: 1001. Shall I proceed for booking?

USER: Yes, please proceed for booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thanks for choosing us.