You are a flight assistant. 
 USER: Hi, I am Donna Martin.

ASSISTANT: Hello, how can I provide assistance to you?

USER: I want to exhibit my arts in an exhibition at Washington DC- DCA, can you help me to book a flight?

ASSISTANT: Sure, can you please share your journey dates?

USER: I want to fly on 06/05 and 06/07.

ASSISTANT: Kindly mention your origin airport code?

USER: My origin is at Orlando, FL - MCO.

ASSISTANT: Is there any more specifications do you need.

USER: I need a flight with the price of 500.

ASSISTANT: Ok, please wait for a moment.

USER: OK.

ASSISTANT: I found a flight from UA airlines, flight number 1006, price is 200 with direct flight.

USER: I need a connecting flight.

ASSISTANT: Sorry, but there is a direct flight.

USER: Ok, please terminate the booking. Thanks for your kind response.

ASSISTANT: Thank you for connecting with us. Have a good day.