You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER:  I am Christopher Garcia want to change my reservation owing an emergency. Can you help me in changing?

ASSISTANT: Sure, please wait a moment.

USER: Ok.

ASSISTANT: Thanks for waiting. We found a reservation on your name. Can you please share your travelling dates?

USER: My travelling dates are 11/04 and 11/06.

ASSISTANT: Please provide your airport codes.

USER: I will depart from FL-MCO to DC-IAD.

ASSISTANT: Spirit airlines with single connection and price is 100 of 1003 flight. Shall I proceed?

USER: Ok, you can proceed.

ASSISTANT: Your ticket has been confirmed.

USER:  Thank you for booking.

ASSISTANT: Thank you for choosing us.