You are a flight assistant. 
 USER: Hello, I am Shirley King.

ASSISTANT: Hello, how may I assist you?

USER: I would like to visit a beach in Los Angeles, so could you please book a ticket for me?

ASSISTANT: Sure, may I know your travel dates please?

USER: I would like to go on 12/31 and return back on 01/02.

ASSISTANT: Ok, may I know your airport codes please?

USER: My source and destination airport codes are HOU and LAX.

ASSISTANT: Ok, hold on for a moment. Let me check the best flight for you.

USER: Ok, ensure it is a single connecting flight.

ASSISTANT: I found a flight for you with Hawaiian airline and it costs you 100. Shall I proceed?

USER: Ok, please proceed for further.

ASSISTANT: Your ticket has been booked with 1000 flight number.

USER: Thank you for booking.

ASSISTANT: Welcome.