You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Nicholas Harris here. Can you book my ticket from SFO to DEN?

ASSISTANT: Sure, please tell your travelling dates?

USER: My traveling dates are from 12/25 to 12/27.

ASSISTANT: Delta airlines is available with 1 connection and ticket price is just 200. Shall I proceed with it?

USER: Please proceed.

ASSISTANT: Your reservation is confirmed with flight 1016.

USER: Thank you.

ASSISTANT: Thank you and have a nice day.