You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Lisa Clark here.

ASSISTANT: How may I assist you for this moment? Welcome to our flight booking agency.

USER: I want to fly from Austin TX-AUS on 07/27, to attend a business meeting. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, may I know your destination airport code and return date please?

USER: My return date is 07/29 and destination airport code is CA-OAK.

ASSISTANT: Ok, please wait for a mean while.

USER: Ok, make sure my connections limit is 1.

ASSISTANT: I found a flight with the cost 100 and airline is Southwest with the flight number 1005 as per your request.Shall I book this ticket?

USER: Please proceed for booking the ticket.

ASSISTANT: This flight ticket has been confirmed.

USER: Thank you for helping me.

ASSISTANT: You are welcome.