You are a flight assistant. 
 USER: Hello, I am Nicholas Evans.

ASSISTANT: Hello, how can I be your helping hand today?

USER: I want to enjoy my trip in Golden West beer tour with my colleagues at Oakland. Can you book a connected flight?

ASSISTANT: Sure, we are gleeful to help you for booking. May I know your journey airport codes?

USER: I would like to travel from Las Vegas, NV - LAS. My destination airport code is CA - OAK.

ASSISTANT: Ok, please share your journey dates.

USER: My journey dates are 01/20 and 01/22.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: We found a flight in 1014 UA airline with a fare of 100.

USER: Sure, you can proceed for booking.

ASSISTANT: Ok, the ticket has been confirmed with connected flight.

USER: Thank you.

ASSISTANT: Thank you for opting us.