You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: I want to book a flight ticket to DFW from IAH to go for a small trip. Can you please aid me for booking?

ASSISTANT: Ok, may I know your travelling dates?

USER: My travelling dates are July 21 and 23.

ASSISTANT: Do you need any connecting flight for your journey?

USER: I need a connected flight.

ASSISTANT: May I know your name?

USER: Sure, my name is Amanda Johnson.

ASSISTANT: Do you have any other preference?

USER: No.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: Here is a connecting flight with fare 100 and 1003 as flight number. Shall I proceed with booking?

USER: Ok, please proceed for booking.

ASSISTANT: Your ticket is confirmed in economy class.

USER: Thank you.

ASSISTANT: Most welcome.