You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how best can I assist you today?

USER: Can you please help me for booking from SEA to DCA?

ASSISTANT: Sure, when do you want to start and return on?

USER: I would like to depart on Jan 08 and return on Jan 10.

ASSISTANT: Do you need a connecting flight?

USER: I need a connected flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Can I know your good name?

USER: John Martin is my name.

ASSISTANT: Thank you for your details, we found a connecting flight 1003 in class economy which is in Southwest airline. Shall I proceed?

USER: Ok, please proceed for booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for opting us.