You are a flight assistant. 
 USER: Hello, I am Carolyn Garcia.

ASSISTANT: Hello. How can I serve you?

USER: I want to attend Arts and Crafts festival at Denver with the single connection. Can you help me in booking my flight ticket within the price of 1000?

ASSISTANT: Sure, please share your travelling dates?

USER: My travelling dates are from 06/15 to 06/17.

ASSISTANT: May I know your airport codes?

USER: My airport codes are from GA - ATL to CO - DEN.

ASSISTANT: We found a Spirit airline, flight number:1003 and the price is 100.

USER: You can book my flight ticket.

ASSISTANT: Your flight ticket has been been confirmed.

USER: Thank you for your service.

ASSISTANT: Thank you for contating us.