You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you at present?

USER: Can you please check the availability of flights in between the points from IAD to PHX?

ASSISTANT: Sure, we are glad to help you.

USER: Thank you.

ASSISTANT: May I know your trip dates?

USER: Sure, my trip dates are Feb 22 to 24.

ASSISTANT: May I know your name please?

USER: Sure, my name is Barbara Williams.

ASSISTANT: Do you have any other specifications?

USER: I need a connected flight.

ASSISTANT: We found a direct flight. Shall I proceed with that?

USER: Ok, please proceed for booking.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: I found an economy class ticket in Delta airlines with fare 100 and it is a direct flight. Can I book your ticket?

USER: Ok, please go ahead for booking.

ASSISTANT: Your ticket has been confirmed with flight number 1027.

USER: Thank you.

ASSISTANT: Thank you for connecting with us.