You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am Debra Rodriguez want to change my existing reservation as our plan for vacation got postponed. Can you help me out?

ASSISTANT: Sure, Please wait a minute.

USER: Ok.

ASSISTANT: Thanks for waiting. We found a reservation on your name. So, please share your new journey dates to proceed further.

USER: Sure, we are planning to travel from AUS to DEN to enjoy with all our friends on vacation.

ASSISTANT: Ok, can you please let me know your journey dates?

USER: Yes, our planned dates are 09/24 and 09/26.

ASSISTANT: Spirit airline flight is available on your preferable dates with flight number 1008. Price limit is 100 and it has one connection. Shall I confirm this ticket?

USER: That's perfect! Proceed with my booking.

ASSISTANT: Your ticket has been booked. Thanks for choosing us, Have a safe journey.

USER: Thank you.