You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what kind of assistance are you looking for?

USER: I am looking for a flight from PHX to IAD, can you help me?

ASSISTANT: Sure, we are here to help you. May I know your planned travel dates?

USER: My travelling dates are 22 and 24 of  May.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: Please let me know your airline preference.

USER: I prefer to travel in normal cost.

ASSISTANT: Do you have any other requirements?

USER: I need a connecting flight.

ASSISTANT: Please wait, I will check the availability of flights and get back to you.

USER: Sure.

ASSISTANT: We found a connecting flight in American Airlines with flight number 1023 having an economy class. Shall I proceed to book your ticket for normal-cost airline?

USER: Please proceed with the booking.

ASSISTANT: May I know your name to book a ticket?

USER: Myself Rebecca Moore.

ASSISTANT: Your booking has been confirmed on the name of Rebecca Moore.

USER: Thanks for helping me.

ASSISTANT: Thank you for connecting with us.