You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, is there any help you required from my side?

USER: Robert Gonzalez this side, can you do some modifications in my existing ticket, due to some emergency I need to do some changes in changing my ticket.

ASSISTANT: Sure, I have found your reservation. Can you please provide your new source and destination codes?

USER: Ok, my airport codes are DCA to AUS.

ASSISTANT: Ok, when would you like to travel?

USER: My new dates which I am looking to travel are 12/22 and 12/24.

ASSISTANT: The Spirit airline with flight number 1002 is available having price as 100 and connection as 1.

USER: Ok, please book it.

ASSISTANT: Alright, your reservation is done.

USER: Thank you for booking.

ASSISTANT: Thank you for connecting with us.