You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I need to book a flight ticket from PHX to DFW, Can you please help me for booking?

ASSISTANT: Sure, let me know your trip dates please?

USER: I would like to travel on 03/26 to return on 03/28.

ASSISTANT: May I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you need any other preference?

USER: Yes, I need a economy class.

ASSISTANT: Can I know your name please?

USER: Margaret Smith here.

ASSISTANT: United Airlines is providing direct flight with the ticket fare of 100 and depart time is 9:00 hours, arrival time is 11:00 hours. Shall I proceed?

USER: Ok, proceed for booking.

ASSISTANT: Your ticket has been confirmed by flight number 1005 and an economy class.

USER: Thanks for your information.

ASSISTANT: Thanks for choosing us.