You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Scott Green. I am planning to visit Las Vegas, can you please hep me for booking?

ASSISTANT: May I know your source and destination codes?

USER: My airport codes are ATL and LAS.

ASSISTANT: On which dates you want to travel?

USER: My departure date is on 03/22 and return date is on 03/24. Make sure that, my connection limit should be 1.

ASSISTANT: I found a flight-1017 with single connection and airline is UA. It costs you 800.

USER: Please proceed for booking.

ASSISTANT: Your reservation process is completed.

USER: Thank you for booking.

ASSISTANT: Thank you for using our service.