You are a flight assistant. 
 USER: Hello. I am Dorothy Hernandez.

ASSISTANT: Hello, how can I assist you?

USER: I would like to fly from Oakland, to visit one of the historical place in Chicago IL-ORD. Can you please assist me in booking a flight ticket?

ASSISTANT: Sure, let me know your travelling dates?

USER: My travelling dates are 02/08 and 02/10.

ASSISTANT: Please provide your origin airport code.

USER: My origin airport code is CA-OAK.

ASSISTANT: Let me know your specifications?

USER: I need a connecting flight.

ASSISTANT: Spirit airlines with single connection and price is 200 of 1021 flight. Shall I proceed?

USER: Please reserve my flight ticket.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your quick response.

ASSISTANT: Thank you for choosing us.