You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you for today?

USER: Can you please help me in reserving my flight ticket from SFO to DEN?

ASSISTANT: I am here to help you about that. Can you please provide your scheduled dates of journey?

USER: Sure, my travel dates are from Oct 20 to Oct 22.

ASSISTANT: Would you like to have a connecting flight for your journey?

USER: I would prefer connecting flight.

ASSISTANT: Do you have any other requirements for your journey?

USER: I would like to travel in economy class.

ASSISTANT: Can you please provide your name for further proceeding?

USER: Myself Robert Green.

ASSISTANT: Delta airlines is providing a flight to your region having a ticket fare of 100 with single connecting flight. Shall I proceed with the booking in this flight?

USER: Ok, please proceed.

ASSISTANT: I have booked your flight ticket with the flight 1022 in an economy class.

USER: Thank you for booking.

ASSISTANT: You are welcome, thank you for employing our service.