You are a flight assistant. 
 USER: Hi, I am Carolyn Moore.

ASSISTANT: Hello, how can I render you?

USER: I want to book a flight ticket to Oakland to visit  Earth and nature festivals on 10/26 and I intend to return on 10/28. Can you help me in booking?

ASSISTANT: Sure, please provide your journey airport codes.

USER: I need to leave from Chicago, IL-ORD to reach Oakland, CA-OAK.

ASSISTANT: May I know if you prefer a connecting flight?

USER: Yes, I need a halt.

ASSISTANT: Thank you for sharing your details.

USER: Ok.

ASSISTANT: We found a Spirit airline with flight number 1009 and price of 200 matching your specifications.

USER: That's perfect, you can proceed with the booking.

ASSISTANT: Your booking has been made.

USER: Thanks for your help.

ASSISTANT: Thank you for opting us.