You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am looking for a flight from Washington in morning. Can you book a flight for me?

ASSISTANT: Sure, I am here to help you out. May I know your travelling dates please?

USER: I will travel on Jan 26 and return on Jan 28.

ASSISTANT: Can you please share your airport codes?

USER: My source point is SEA and my destination is DCA.

ASSISTANT: Is there any connection preference?

USER: I prefer a connecting flight.

ASSISTANT: May I know your name please?

USER: My name is Samantha Mitchell.

ASSISTANT: American airlines is available in your route with connecting flight and the fare is 100, shall I proceed with the booking?

USER: Please proceed with booking.

ASSISTANT: Your ticket is booked with the flight-1003.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing us.