You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am looking for a flight from DFW to SEA, can you please help me in booking?

ASSISTANT: Sure, can you please share your planned travel dates?

USER: My travelling dates are Nov 21 and Nov 23.

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

USER: My name is Margaret Davis.

ASSISTANT: Are you looking for connecting flight?

USER: I need a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: No, thanks for asking.

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

USER: Please proceed.

ASSISTANT: Ok, your booking is confirmed with flight number 1009.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us.