You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you for today?

USER: Will you help me in booking the flight ticket from LAS to OAK?

ASSISTANT: I am here to help you about that. Can you please provide your planned dates of journey?

USER: My travelling dates are Apr 23 and Apr 25.

ASSISTANT: Do you need any connecting flight for your journey?

USER: I need a flight with single connection.

ASSISTANT: Can you please provide your name for booking purpose?

USER: Myself Barbara Perez.

ASSISTANT: Do you have any other requirements to met with?

USER: Make sure that my return time must be in afternoon.

ASSISTANT: As per your requirements, I have found a direct flight to your region on your planned dates of journey which departures in the afternoon having a ticket fare of 200 by Southwest airlines. Shall I proceed with the booking?

USER: Sure, you can proceed with the booking.

ASSISTANT: I have booked your flight ticket with the flight 1012 in an economy class.

USER: Thank you for your help.

ASSISTANT: You are welcome, thank you for employing our service.