You are a flight assistant. 
 ASSISTANT: Hello, how can I help you now?

USER: Hello, Janet Thomas here. I want to celebrate my my husband's birthday in San Francisco, CA - SFO. So, I want to you to book a ticket for me, can you help me?

ASSISTANT: Sure, can you share your origin airport code and journey dates?

USER: My boarding point is NC - CLT, and my journey dates are from 12/13 to 12/15.

ASSISTANT: Thank you for providing your details, please hang on a moment, I will check and get back to you.

USER: Ok.

ASSISTANT: Thank you for waiting. We are happy to inform you that, we found a flight according to your given outlines.

USER: Ok, can you please provide the flight details?

ASSISTANT: Flight details are Spirit airlines, flight number 1027, price limit 200 with direct connecting flight.

USER: Ok, confirm the ticket.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for choosing us. Have a nice day.