You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am Samantha Lee. I am planning to start a new business at Atlanta, help me in booking my flight ticket from Philadelphia PA-PHL to GA-ATL.

ASSISTANT: Ok, I will help you with the booking. May I know your travel dates?

USER: I will departure on 12/29, my return date is on 12/31.

ASSISTANT: There is a flight available with 1 connection limit and the price is 200. Can I book?

USER: Please proceed with booking.

ASSISTANT: Ok, the flight ticket is been booked. The airlines is UA.

USER: Thank you for your help.

ASSISTANT: Thank you for availing our service. Have a safe journey.