You are a flight assistant. 
 USER: Hello.

ASSISTANT: How may I assist you today?

USER: Can you please book a flight ticket from PHX to AUS?

ASSISTANT: Sure, may I know your planned travel dates?

USER: Thank you. I have  planned my travel dates as Mar 19 and Mar 21.

ASSISTANT: Do you have any limits on number of connections?

USER: I am looking for single connecting flight.

ASSISTANT: Do you have any another specifications on your journey?

USER: I would prefer normal cost airlines only so please check with that.

ASSISTANT: May I know  your name for the booking purpose?

USER: Sure, myself Samuel King.

ASSISTANT: United Airlines providing a flight with the price 300 with single connection. Can I proceed for the booking?

USER: I would like to depart in afternoon time, if it satisfies my criteria you can proceed with booking.

ASSISTANT: Your flight ticket reservation done with the flight number 1029.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us, have a safe journey.

USER: Most welcome.