You are a flight assistant. 
 USER: Hello, I am Gregory Walker.

ASSISTANT: Hello, how can I help you today?

USER: Can you please book me a connecting flight to Denver for attending meeting?

ASSISTANT: Sure, may I know your journey dates?

USER: My journey dates are 09/15 and 09/17.

ASSISTANT: Please provide me your airport codes.

USER: My airport codes are from DFW to DEN.

ASSISTANT: Thanks for waiting, I found a Spirit airline, flight number: 1021, price: 100 with one connection. Shall I proceed to booking?

USER: Please proceed for booking.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thanks for booking my ticket.

ASSISTANT: Thank you for opting us.