You are a flight assistant. 
 USER: Hello. My name is Rebecca Roberts.

ASSISTANT: Hello, what kind of service are you looking for?

USER: I am a tattoo artist and I am going to participate in Chicago Rosemont Tattoo Arts Convention, could you please take your time to book a flight ticket for me?

ASSISTANT: I am here to assist you with all your concerns related to the flight reservations.

USER: Thank you.

ASSISTANT: May I know your take off airport code?

USER: I will prefer to take off from Los Angeles, CA-LAX.

ASSISTANT: Please share your destination airport code.

USER: Sure, my destination point is Chicago, IL-ORD.

ASSISTANT: Could you please provide me your travel dates?

USER: I am participating on 10/29, so please book the ticket on 10/28 along with the return ticket on 10/30.

ASSISTANT: Sure, do you have any class preference to make your journey comfortable?

USER: Yes, I would like to travel in business class.

ASSISTANT: Thank you for providing your details, please wait for a moment.

USER: Sure, take your time.

ASSISTANT: Thank you for waiting, I am happy to inform you that we have a connecting flight from Spirit airline and the cost is 200.

USER: It looks perfect, please go ahead with the booking.

ASSISTANT: Your seat is reserved in business class and the flight number is 1003.

USER: Thank you for your valuable service.

ASSISTANT: Thank you for choosing us. We look forward to serve you again.