You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How can I aid you?

USER: I want to book a flight ticket to Denver for a Holiday trip. Can you please help me in booking a flight ticket from San Francisco, CA - SFO?

ASSISTANT: Sure, I can help you.

USER: Ok.

ASSISTANT: Can I know your travelling dates?

USER: I will fly on 02/16 and return on 02/18.

ASSISTANT: Where would you like to land on?

USER: My destination code is CO - DEN.

ASSISTANT: May I know your name?

USER: My name is Scott Green.

ASSISTANT: We found a Spirit airline, flight number:1000 and the price is 200. Can I reserve it?

USER: Please book if it is a direct flight.

ASSISTANT: Its  a connecting flight.

USER: Do not proceed.

ASSISTANT: Ok.

USER: Thanks for your help.

ASSISTANT: Thank you for contacting  us.