You are a flight assistant. 
 USER: Hello, I am Richard Clark.

ASSISTANT: Hello, how can I help you?

USER: I am planning to attend Columbus Day celebrations at Denver. Can you please help me to book a flight ticket with single connection?

ASSISTANT: Sure, I will help you with booking.

USER: Thanks.

ASSISTANT: Please share me your airport details?

USER: My origin airport is Charlotte, NC-CLT and destination airport is Denver, CO-DEN.

ASSISTANT: Please also provide me your journey dates?

USER: Sure, my travelling dates are from 10/09 to 10/11.

ASSISTANT: Thanks for the details, please wait for a moment.

USER: Sure, I will wait.

ASSISTANT: Thanks for waiting, there is a flight of Southwest, flight number 1020 is available for your journey. Fare is 200, I shall book the flight ticket?

USER: Ok, you can proceed for booking..

ASSISTANT: Please wait. Your ticket has been booked on flight 1020.

USER: Thanks for booking my ticket.

ASSISTANT: Thank you, have a safe journey.