You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: My name is Elizabeth Evans from Washington and I would like to book a flight to reach Orlando, FL - MCO. Can you please help me in booking a flight within a fare of 500?

ASSISTANT: Sure, may I know your source airport code?

USER: My source airport code is DC - DCA.

ASSISTANT: Can you please share your planned travel dates?

USER: My planned dates are on 02/29 to 03/02.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: We found a Delta airline, flight number: 1012, price: 100 with one connection.

USER: It's perfect, you can confirm my booking.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for opting us.