You are a flight assistant. 
 USER: Hello, I am Scott Anderson.

ASSISTANT: Hello, how can I serve you?

USER:  I would like to enjoy the night life of Las Vegas this weekend, for that I need your help to book a flight ticket on 05/15. Can you help me?

ASSISTANT: Sure, can you please help me with your airport codes?

USER: Source is Dallas & Fort Worth, TX - DFW. Destination is NV - LAS, Las Vegas.

ASSISTANT: May I know your return journey dates?

USER: I intend to return on 05/17.

ASSISTANT: Thank you for your details. A flight with price 200 having single connection is found in Hawaiian airline. Shall I proceed with it?

USER: It is perfect, please proceed for booking.

ASSISTANT: Your ticket is confirmed in flight number 1004.

USER: Thanks for serving me.

ASSISTANT: Thank you for opting us.