You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I need to book a flight ticket from DCA to EWR, Can you please help me with that?

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

USER: I would like to travel on 12/21 to return on 12/23.

ASSISTANT: Can I have your name please?

USER: Pamela Thomas here.

ASSISTANT: Do you need a connecting flight?

USER: I need a connecting flight.

ASSISTANT: May I know your other requirements?

USER: No.

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

USER: Ok, proceed for booking.

ASSISTANT: Ok, your booking is confirmed with flight number 1003.

USER: Thanks for your information.

ASSISTANT: Thank you for reaching us.