You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Stephanie Carter here. Is this flight ticket booking agency?

ASSISTANT: Yes, welcome to our agency. How may I assist you Carter?

USER: I would like to visit South Mountain Park in Phoenix and also planned to meet my friends there. So can you please help me for booking the flight ticket?

ASSISTANT: Sure, I will help you on that. Could you please provide your nearest airport codes to book your flight ticket?

USER: My source airport code is DC-DCA and destination airport code is AZ-PHX.

ASSISTANT: Ok, may I know your preferable dates that you want to travel?

USER: My departure date is 09/09 and return date is 09/11.

ASSISTANT: Ok Carter, please hold on a moment to check the availability of flights and I will revert you back.

USER: Ok, take your time.

ASSISTANT: According to your information, flight number 1023 from UA airlines with 1 connection with the fare of 100 is available for you. Shall I proceed with this?

USER: That's perfect. Please proceed for booking the ticket.

ASSISTANT: Ok, your reservation is done successfully.

USER: Thank you for helping me.

ASSISTANT: Thank you for approaching us, have a great journey.

USER: Have a great day.