You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Will you please help me with booking a flight ticket from Austin, AUS to OAK?

ASSISTANT: Sure, please share your planned travel dates?

USER: My planned travel dates are May 18 and May 20.

ASSISTANT: Can I have your name please?

USER: Sure, Joseph Edwards here.

ASSISTANT: Any other requirements to be met?

USER: I would like to depart in the evening time only.

ASSISTANT: Southwest airlines flight 1012 available with connection and fare is 200 which departs in the evening 22.00 hours, shall I confirm this economy class flight?

USER: Yes, please proceed with that ticket booking.

ASSISTANT: Ok, your ticket has been processed.

USER: Thank you for your help in booking my ticket.

ASSISTANT: Thank you for opting us.