You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, may I know your name please?

USER: Sure, my name is Carol Lopez.

ASSISTANT: Yes, how can I help you?

USER: I want to visit Botanic Gardens in Denver.Can you please help me out?

ASSISTANT: Sure, please provide me your travelling location codes and the travelling dates?

USER: The airport codes are from CO-DEN to PA-PHL and journey dates are from 10/14 to 10/16.

ASSISTANT: There is a flight available with 1 connection and the price is 200. Can I proceed booking the ticket?

USER: Yes, proceed.

ASSISTANT: Your ticket booking is confirmed with Spirit airlines and the flight number is 1020. Thank you and have a nice day.

USER: Thank you for your help.