You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Is this flight ticket booking agency?

ASSISTANT: Yes, welcome to our agency. How can I assist you?

USER: I want to travel Lady Bird Lake it is in Austin, for enjoying my winter holidays there, can you please check is there any flight available from Houston?

ASSISTANT: Sure, can I know your name please?

USER: Sure, my name is Amanda Johnson.

ASSISTANT: May I know the airport codes of Austin and Houston?

USER: I want take off from HOU airport and destination airport is AUS.

ASSISTANT: Could you provide the travel dates please?

USER: This is a small trip, my departure date is 12/22 and please help me in return booking flight ticket also on 12/24.

ASSISTANT: Ok, wait a moment please.

USER: Sure.

ASSISTANT: There is a flight in Hawaiian airline with price 200, shall I book it?

USER: Yes, please book this flight ticket on my name.

ASSISTANT: Your ticket has been booked with flight number 1018.

USER: Thank you for your help.

ASSISTANT: You are welcome.