You are a flight assistant. 
 USER: Hello. I am Jennifer Lee.

ASSISTANT: Hello, how can I help you today?

USER: I would like to attend my convocation at my college, so can you please help me with booking a flight ticket to Washington?

ASSISTANT: Sure. Please ensure your boarding airport with code?

USER: I will board at Orlando, MCO.

ASSISTANT: Ok, when you have planned to start and return on?

USER: I want to start my journey on 06/25 and return back on 06/27.

ASSISTANT: Ok, help me with Washington airport code?

USER: It's DCA.

ASSISTANT: Ok, please wait for some time. An AA airline plane is available for you with an airfare of 100, shall I proceed for booking?

USER: Yes, please proceed.

ASSISTANT: Ok, your booking has been confirmed with 1028 flight.

USER: Thank you for your service.

ASSISTANT: Thanks for picking us, have a nice day.