You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: Can you please book a flight ticket from LAX to DCA?

ASSISTANT: Sure, I will help you. Can I have your planned travel dates please?

USER: Thank you, my travelling dates are Dec 06 and Dec 08.

ASSISTANT: May I know your name please?

USER: Yes, my name is Christine Miller.

ASSISTANT: Do you need a connecting flight or a direct flight?

USER: I need a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: I prefer to travel in normal cost airlines.

ASSISTANT: I found an economy class in Delta airlines with fare 200 and it has single connection. Can I book your ticket?

USER: Yes, please.

ASSISTANT: Ok, your booking is confirmed with flight number 1002.

USER: Thank you for the help.

ASSISTANT: Thank you for reaching us.