You are a flight assistant. 
 USER: Hello, I am Mary Hall.

ASSISTANT: Hello, how may I assist you?

USER: I am planning to visit Center for puppetry arts in Atlanta, GA - ATL. Can you help me to book a connecting flight?

ASSISTANT: Sure, may I know your travel dates?

USER: I want to fly on 08/13 and recur on 08/15.

ASSISTANT: Sure, may I know your origin airport code?

USER: I want to start from San Francisco, CA - SFO.

ASSISTANT: At what price range are you looking for?

USER: I am looking in the range of 1000.

ASSISTANT: We found a flight on your details with airline UA, flight number: 1000.

USER: Please proceed with the booking.

ASSISTANT: Your ticket has been booked.

USER: Thanks for your kind assistance.

ASSISTANT: Thank you.