You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Charles Rodriguez. I want to book a flight to LAS as I want to surprise my parents on their wedding anniversary.

ASSISTANT: Ok.

USER: Can you please help me?

ASSISTANT: Sure, may I know your travelling dates?

USER: I want to start on 12/20 and return on 12/22.

ASSISTANT: Could you please provide me your origin airport code, please?

USER: My origin point is DCA. I need a flight with one connection.

ASSISTANT: Please wait a moment, I will check and get back to you.

USER: Sure.

ASSISTANT: Thanks for waiting, we found a flight on your details with airline Hawaiian, flight number: 1028. Shall I proceed for booking?

USER: Yes, you can proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you so much for booking the flight.

ASSISTANT: Thanks for choosing us. Have a nice day.