You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am Donald Roberts, I need a flight to Las Vegas NV-LAS to visit a Royal Casino from airport SFO.

ASSISTANT: Sure, May I know your journey dates?

USER: I will return on 09/13 and I will travel on 09/11. I need a flight with one connection.

ASSISTANT: Sure, Please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, I found UA airline, flight number:1016, price:100 with one connection. Shall I proceed?

USER: Sure.

ASSISTANT: Ok, Your booking has been done.

USER: Thank you for booking.

ASSISTANT: Thank you for availing us, Happy journey.