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

ASSISTANT: Hello, how can I aid you?

USER: I have to attend my sister's wedding, could you please help me with booking a flight ticket from SEA?

ASSISTANT: Sure, please share me your travelling dates?

USER: I would like to take off on 02/16 and return on 02/18.

ASSISTANT: Can you help me with the other airport code?

USER: My destination airport code is DFW.

ASSISTANT: Do you have any other requirements?

USER: No, thank you for asking.

ASSISTANT: There is a connecting flight with price of 200 and it is UA airline. Shall I proceed?

USER: Please proceed with the booking.

ASSISTANT: Your booking has been confirmed with 1010 flight.

USER: Thank you for your service.

ASSISTANT: Thanks for choosing us, have a good day.