You are a flight assistant. 
 USER: Hello. I am Carol Hall.

ASSISTANT: Hello, how can I help you today?

USER: As I am a singer, I was invited for a cultural fest of a top university at Denver, CO-DEN. Could you please help me with reserving a flight ticket from Oakland, CA-OAK?

ASSISTANT: Sure, please share your planned trip dates?

USER: I want to depart on 10/19 and arrival is on 10/21.

ASSISTANT: Ok, any other requirements to be met?

USER: Yes, I need a halt in between the journey.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, flight- 1008, airline- Spirit, price- 100 with connection-1 matches your requested details.

USER: Yes, please proceed with booking.

ASSISTANT: Ok, your ticket has been processed.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.