You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Kimberly Martin.

ASSISTANT: How can I assist you at this moment?

USER: I am planning to change my reservation to another destination, so can you help me to change my reservation?

ASSISTANT: Sure, I will assist you with that. Please wait a moment, I will check your previous reservation status.

USER: Ok.

ASSISTANT: I have found your reservation reservation. Can you please mention your travel dates?

USER: Ok, 12/14 to 12/16.

ASSISTANT: May I know your preferable airport code names for booking flight ticket?

USER: My airport codes are AUS to OAK.

ASSISTANT: Ok, please wait a moment. There is a Delta airline flight available with connection limit 1 and fare is 100, shall I confirm this economy class flight?

USER: Proceed for booking.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1016.

USER: Thank you.

ASSISTANT: You are welcome Kimberly Martin.