You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how may I support you today?

USER: I am Jason Parker. Owing to an emergency, please change my existing reservation.

ASSISTANT: Sure, please wait a minute.

USER: Ok.

ASSISTANT: Thank you for waiting, we found a reservation on your name. Can you please share your new scheduled dates?

USER: I will depart on 08/02 and will return by 08/04.

ASSISTANT: Please mention your journey airport codes?

USER: Airport codes are from Houston, TX-IAH to Austin, TX-AUS.

ASSISTANT: We found a connecting flight in Spirit airline has fare 100. Shall I reserve your ticket with this flight?

USER: Please book a ticket.

ASSISTANT: Your booking has been done with a flight 1011.

USER: Thanks.

ASSISTANT: Thank you for availing us.