You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I help you?

USER: I am Carolyn Rodriguez, I want to book a flight ticket to attend my best friend's engagement.

ASSISTANT: Sure, we are here to help you. May I know your journey details?

USER: My travelling dates are from 05/22 to 05/24.

ASSISTANT: Can you share your airport codes?

USER: I want to fly from NV- LAS to DC- DCA.

ASSISTANT: Wait a while.

USER: OK.

ASSISTANT: I have found a flight with airline Southwest and flight number is 1017 with 1 connection and price is 200. Can I proceed?

USER: Please proceed.

ASSISTANT: Your reservation is done.

USER: Thank you for the reservation.

ASSISTANT: Thank you for reaching us, have a nice day.