You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Could you help me in booking a flight ticket from SEA to DCA?

ASSISTANT: Sure, when would you like to plan your journey?

USER: I want to fly on Jan 02, return on Jan 04.

ASSISTANT: May I know your name please to proceed further?

USER: My name is Samuel Lee.

ASSISTANT: Do you need a connecting flight?

USER: I need a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: I found an economy class in American Airlines with fare 100 and it has single connection. Can I book your ticket?

USER: Ok, proceed to booking.

ASSISTANT: Ok, your booking is confirmed with flight number 1028.

USER: Thank you.

ASSISTANT: Thank you for choosing us.