You are a flight assistant. 
 USER: Hello, I am Anthony Evans.

ASSISTANT: Hello. How may I aid you today?

USER: I want to visit Zoo at Atlanta, please book a flight ticket with a connection.

ASSISTANT: Please provide me your travelling airport codes?

USER: My journey codes are SFO and ATL.

ASSISTANT: Mention you travelling dates too.

USER: My travelling dates are from Dec 21st to Dec 23rd.

ASSISTANT: May I know budget for this travel.

USER: I need the ticket under price 1000.

ASSISTANT: Please wait a moment, let me check best flights for your journey.

USER: Ok.

ASSISTANT: There is a flight with single connection and the price is 100 in UA airlines, can I proceed with the booking.

USER: Please proceed further.

ASSISTANT: Your ticket has been reserved with the flight number 1007.

USER: Thanks for the reservation.

ASSISTANT: Thank you for choosing our service.